| 1966 Hiking Challenge | Indiana Dunes National Park | 1-5 Hours | Spring, Summer, Fall | Fee |
|---|
| 3-Mile Rolling Meadows Bridge Hike | Rock Creek Park | — | Year-round | — |
|---|
| 497 Mile Virtual Running and Bicycling Club | Charles Young Buffalo Soldiers National Monument | — | Year-round | — |
|---|
| 8-Mile Loop Trail | Catoctin Mountain Park | 4-6 Hours | Spring, Summer, Fall | — |
|---|
| A Contemplative Experience | George Washington Carver National Monument | 30-60 Minutes | Year-round | — |
|---|
| A Day In Longmire | Mount Rainier National Park | 2-8 Hours | Year-round | Fee |
|---|
| A Day In Paradise | Mount Rainier National Park | 2-8 Hours | Spring, Summer, Fall | Fee |
|---|
| A Day In Sunrise | Mount Rainier National Park | 2-8 Hours | Summer | Fee |
|---|
| A Detective in Nature | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| A Half-Day in Paradise | Mount Rainier National Park | 2-4 Hours | Summer | Fee |
|---|
| About Current River Challenge | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| About Hiking Safety | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| All About Hiking - Start Here! | Shenandoah National Park | — | — | — |
|---|
| All About Hiking at Waco Mammoth National Monument | Waco Mammoth National Monument | — | Year-round | — |
|---|
| Alley Overlook Trail | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| Alley Slough Trail | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| American Camp History Walk | San Juan Island National Historical Park | — | — | — |
|---|
| An Overview: Hot Springs and North Mountain Trails | Hot Springs National Park | 30-300 Minutes | Year-round | — |
|---|
| An Overview: West Mountain Trails | Hot Springs National Park | 40-240 Minutes | Year-round | — |
|---|
| Angels Landing | Zion National Park | 1-2 Hours | Year-round | Reservation, Fee |
|---|
| Appalachian Trail - Tanners Ridge Road | Shenandoah National Park | 1-2 Hours | Year-round | — |
|---|
| Arlington Trail | Hot Springs National Park | 5-10 Minutes | Year-round | — |
|---|
| Asan Ridge Trail Hike | War In The Pacific National Historical Park | 45-60 Minutes | Year-round | — |
|---|
| Aspen Ridge - Boulder Ridge | Grand Teton National Park | 3-5 Hours | Spring, Summer, Fall | — |
|---|
| Avalanche Peak Trail | Yellowstone National Park | 3-4 Hours | Summer, Fall | — |
|---|
| Bark Ranger at hampton | Hampton National Historic Site | — | Year-round | — |
|---|
| BARK Ranger Program at Marsh-Billings-Rockefeller National Historical Park | Marsh - Billings - Rockefeller National Historical Park | 5-15 Minutes | Spring, Summer, Fall | — |
|---|
| Bartram Trail | Ocmulgee Mounds National Historical Park | 20-40 Minutes | Year-round | — |
|---|
| Bayside Trail | Cabrillo National Monument | 1-2 Hours | Year-round | — |
|---|
| Bearfence Rock Scramble | Shenandoah National Park | 1-2 Hours | Year-round | — |
|---|
| Bearfence Viewpoint | Shenandoah National Park | 1 Hour | Year-round | — |
|---|
| Bearpaw and Trapper Lakes | Grand Teton National Park | 4-6 Hours | Spring, Summer, Fall | — |
|---|
| Beaver Ponds Trail | Yellowstone National Park | 2-5 Hours | Year-round | — |
|---|
| Become a B.A.R.K. Ranger! | Washington-Rochambeau Revolutionary Route National Historic Trail | — | — | Reservation, Fee |
|---|
| Become a Montezuma Castle and Tuzigoot BARK Ranger | Montezuma Castle National Monument, Tuzigoot National Monument | 30-120 Minutes | Year-round | Fee |
|---|
| Become a Salem Maritime B.A.R.K. Ranger | Salem Maritime National Historical Park | 5-120 Minutes | Spring, Summer, Fall | — |
|---|
| Become a Saratoga B.A.R.K. Ranger | Saratoga National Historical Park | — | Year-round | — |
|---|
| Become a Saugus Iron Works B.A.R.K. Ranger | Saugus Iron Works National Historic Site | 5-120 Minutes | Spring, Summer, Fall | — |
|---|
| Big Sink Trail | Abraham Lincoln Birthplace National Historical Park | 1-2 Hours | — | — |
|---|
| Big Spring Branch Trail | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| Big Spring River's Edge Trail | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| Big Spring Slough Trail | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| Big Spring Stone Ridge Trail | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| Big Stump | Sequoia & Kings Canyon National Parks | — | — | — |
|---|
| Blackrock Summit | Shenandoah National Park | 1 Hour | Year-round | — |
|---|
| Blacktail Deer Creek to Yellowstone River Trail | Yellowstone National Park | 4-5 Hours | Spring, Summer, Fall | — |
|---|
| Blue Spring Trail | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| Bonita Creek Loop | Chiricahua National Park | 15-30 Minutes | Year-round | — |
|---|
| Bonita Creek Trail | Chiricahua National Park | 30-60 Minutes | Year-round | — |
|---|
| Boulder Bridge Hike | Rock Creek Park | 90-200 Minutes | Year-round | — |
|---|
| Boundary Oak Trail | Abraham Lincoln Birthplace National Historical Park | 20-45 Minutes | — | — |
|---|
| Brawner Farm Loop Trail | Manassas National Battlefield Park | 45-75 Minutes | Year-round | — |
|---|
| Bridge Loop Trail | Rock Creek Park | 3-6 Hours | Year-round | — |
|---|
| Bring Your BARK Ranger for a Walk | Sagamore Hill National Historic Site | 30-120 Minutes | Year-round | — |
|---|
| Bring Your Dog for a Walk to Booker T. Washington NM | Booker T. Washington National Monument | 30-60 Minutes | Year-round | — |
|---|
| Bring Your Dog to Fort Vancouver National Historic Site | Fort Vancouver National Historic Site | 15-90 Minutes | Year-round | — |
|---|
| Brink of the Lower Falls Trail | Yellowstone National Park | — | Summer, Fall | — |
|---|
| Browns Gap | Shenandoah National Park | 7-8 Hours | Year-round | — |
|---|
| Bunsen Peak Trail | Yellowstone National Park | 2-3 Hours | Summer, Fall | — |
|---|
| Burma Trail | Fire Island National Seashore | — | Winter, Spring, Fall | — |
|---|
| Camel Trail | Waco Mammoth National Monument | — | Year-round | — |
|---|
| Campground Connector Trail | Guadalupe Mountains National Park | 10-20 Minutes | Year-round | Fee |
|---|
| Can I Take My Dog? | Guadalupe Mountains National Park | 1-1 Hours | Year-round | Fee |
|---|
| Caneel Hill Trail | Virgin Islands National Park | 30-60 Minutes | — | — |
|---|
| Canyon Overlook | Zion National Park | 1-2 Hours | Year-round | — |
|---|
| Canyon Trail | Hot Springs National Park | 25-45 Minutes | Year-round | — |
|---|
| Capture a Moment | George Washington Carver National Monument | 30-60 Minutes | Year-round | — |
|---|
| Cascade Lake Trail | Yellowstone National Park | 2-3 Hours | Summer, Fall | — |
|---|
| Castle Rock Hike | New River Gorge National Park & Preserve | 30-120 Minutes | Year-round | — |
|---|
| Cave Spring Trail | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| Cedar Run - Whiteoak Circuit | Shenandoah National Park | 6-7 Hours | Year-round | — |
|---|
| Chihuahuan Desert Nature Trail | Carlsbad Caverns National Park | 30 Minutes | Year-round | — |
|---|
| Chimney Rock | Shenandoah National Park | 2-3 Hours | Year-round | — |
|---|
| Chinn Ridge Trail | Manassas National Battlefield Park | 45-70 Minutes | Year-round | — |
|---|
| Chittenden Road - Mount Washburn Trail | Yellowstone National Park | 3-5 Hours | Summer, Fall | — |
|---|
| Christian Pond Loop | Grand Teton National Park | 1-3 Hours | Spring, Summer, Fall | — |
|---|
| Cinnamon Bay Trails | Virgin Islands National Park | 15-30 Minutes | Year-round | — |
|---|
| Clay Pit Pond Trail | Lewis & Clark National Historic Trail, Lewis and Clark National Historical Park | 15-60 Minutes | Year-round | Fee |
|---|
| Climb the Observation Tower at Round Marsh | Timucuan Ecological & Historic Preserve | 40-90 Minutes | Year-round | — |
|---|
| Cloudy Day Activities at Mount Rainier | Mount Rainier National Park | 1-8 Hours | Year-round | Fee |
|---|
| Coastal Hammock nature trail | Fort Matanzas National Monument | — | — | — |
|---|
| Coastal Trail | Cabrillo National Monument | 30-60 Minutes | Year-round | — |
|---|
| Cold Springs Nature Trail | Sequoia & Kings Canyon National Parks | — | — | — |
|---|
| Compton Peak | Shenandoah National Park | 1-2 Hours | Year-round | — |
|---|
| Cornfield Mound Trail | Ocmulgee Mounds National Historical Park | 5-10 Minutes | Year-round | — |
|---|
| Cowpens Nature Trail | Cowpens National Battlefield | 25-90 Minutes | Year-round | — |
|---|
| Crater Rim Trail | Hawaiʻi Volcanoes National Park | 1-6 Hours | — | — |
|---|
| Crescent Meadow | Sequoia & Kings Canyon National Parks | — | Spring, Summer, Fall | — |
|---|
| Crissy Field Restored Wetlands | Golden Gate National Recreation Area, Presidio of San Francisco | 1-2 Hours | Year-round | — |
|---|
| Cross the Bridge | Timucuan Ecological & Historic Preserve | 30-90 Minutes | Year-round | — |
|---|
| Cundick Ridge Trail | Fossil Butte National Monument | 1-2 Hours | Summer | — |
|---|
| Daemonelix Trail | Agate Fossil Beds National Monument | 30-60 Minutes | Winter, Spring, Fall | — |
|---|
| Dark Hollow Falls | Shenandoah National Park | 1-2 Hours | Year-round | — |
|---|
| Day Hike Preparation | Guadalupe Mountains National Park | — | Year-round | Fee |
|---|
| Day Hikes | Bryce Canyon National Park | — | Year-round | Fee |
|---|
| Day Hiking | Death Valley National Park | — | Winter, Spring, Fall | Fee |
|---|
| Day Hiking at Mount Rainier National Park | Mount Rainier National Park | 2-8 Hours | Spring, Summer, Fall | Fee |
|---|
| Day Hiking in North Cascades | North Cascades National Park | — | Spring, Summer, Fall | — |
|---|
| Dealing with Human Waste | Guadalupe Mountains National Park | 5-15 Minutes | Year-round | Fee |
|---|
| Death Canyon - Static Peak Divide Junction | Grand Teton National Park | 4-6 Hours | Summer, Fall | — |
|---|
| DeLacy Creek Trail | Yellowstone National Park | 3-5 Hours | Summer, Fall | — |
|---|
| Devastation Trail | Hawaiʻi Volcanoes National Park | 30-60 Minutes | — | — |
|---|
| Devil's Hall | Guadalupe Mountains National Park | 3-5 Hours | Year-round | Fee |
|---|
| Discover Geologic Wonders | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| Discover Our Partnership Parks | Timucuan Ecological & Historic Preserve | 120-500 Minutes | Year-round | — |
|---|
| Discover Sheep Creek Cascade | Sequoia & Kings Canyon National Parks | 1-2 Hours | Summer, Fall | — |
|---|
| Discover the Lodgepole-Sherman Tree Trail | Sequoia & Kings Canyon National Parks | 2-5 Hours | Summer | — |
|---|
| Discover Theodore Roosevelt Island | Theodore Roosevelt Island | 1-3 Hours | Year-round | — |
|---|
| Discover Tokopah Valley and Falls | Sequoia & Kings Canyon National Parks | — | Spring, Summer, Fall | — |
|---|
| Doyles River Falls | Shenandoah National Park | 2-3 Hours | Year-round | — |
|---|
| Duck Lake Trail | Yellowstone National Park | 1-2 Hours | Summer, Fall | — |
|---|
| Dunlap Trail | Ocmulgee Mounds National Historical Park | 5-15 Minutes | Year-round | — |
|---|
| Dunraven Pass - Mount Washburn Trail | Yellowstone National Park | 3-6 Hours | Summer, Fall | — |
|---|
| Eagle and Mosquito Lakes | Sequoia & Kings Canyon National Parks | — | — | — |
|---|
| Eagle Nest Point Trail | Fossil Butte National Monument | 1-2 Hours | Summer | — |
|---|
| Eagle Trail | Waco Mammoth National Monument | — | Year-round | — |
|---|
| Easy Hike Along Hornbecks Creek | Delaware Water Gap National Recreation Area | — | — | — |
|---|
| Ebey's Reserve - The Jacob & Sarah Ebey House | Ebey's Landing National Historical Reserve | 2-4 Hours | — | Reservation, Fee |
|---|
| Echo Canyon Grottoes | Chiricahua National Park | 30-60 Minutes | Year-round | — |
|---|
| Echo Canyon Loop Trail | Chiricahua National Park | 2-4 Hours | Year-round | — |
|---|
| Echo Canyon to Visitor Center | Chiricahua National Park | 2-4 Hours | Year-round | — |
|---|
| Eleanor's Walk | Eleanor Roosevelt National Historic Site | 1 Hour | Year-round | — |
|---|
| Elephant Back Mountain Trail | Yellowstone National Park | 2-3 Hours | Summer, Fall | — |
|---|
| Emma Matilda Lake | Grand Teton National Park | 5-7 Hours | Summer, Fall | — |
|---|
| Enjoy a 360-Degree View at Little Baldy Dome | Sequoia & Kings Canyon National Parks | 2-3 Hours | Summer, Fall | — |
|---|
| Enjoy the River Raisin Heritage Trail | River Raisin National Battlefield Park | — | Spring, Summer, Fall | — |
|---|
| Explore Hidden Sequoias at Muir Grove | Sequoia & Kings Canyon National Parks | 2-3 Hours | — | — |
|---|
| Explore Sub-Alpine Landscapes at Mineral King | Sequoia & Kings Canyon National Parks | 1-3 Days | Summer, Fall | — |
|---|
| Explore Sutro Baths and Sutro Heights Park | Golden Gate National Recreation Area | 1-3 Hours | Year-round | — |
|---|
| Explore the Cannonball Concretions | Theodore Roosevelt National Park | 5-15 Minutes | Year-round | — |
|---|
| Explore the Cavern at Your Own Pace | Carlsbad Caverns National Park | 1-3 Hours | Year-round | Reservation, Fee |
|---|
| Explore the Civil War Defenses of Washington Hiker-Biker Trail | Civil War Defenses of Washington, Fort Dupont Park, National Capital Parks-East, Potomac Heritage National Scenic Trail | 1-5 Hours | Year-round | — |
|---|
| Explore the Cross Estate Gardens and Hike to the NJ Brigade Encampment Site | Morristown National Historical Park | — | Year-round | — |
|---|
| Explore the Middle Prong Wilderness | Blue Ridge Parkway | 1-8 Hours | Year-round | — |
|---|
| Explore the Outdoors at Rock Creek Park | Rock Creek Park | — | Year-round | — |
|---|
| Explore the Outdoors at Wolf Trap | Wolf Trap National Park for the Performing Arts | 30-90 Minutes | Year-round | — |
|---|
| Explore the Ridge View Trail, Osceola Loop | Saint Croix National Scenic Riverway | 1-2 Hours | Year-round | — |
|---|
| Explore the Trails at Meadowood | Potomac Heritage National Scenic Trail | 1-4 Hours | Year-round | — |
|---|
| Explore Tipsoo Lake | Mount Rainier National Park | 0-4 Hours | Summer | — |
|---|
| Exploring Gold Branch | Chattahoochee River National Recreation Area | 1-6 Hours | Year-round | Fee |
|---|
| Exploring Palisades East | Chattahoochee River National Recreation Area | 1-6 Hours | Year-round | Fee |
|---|
| Exploring Palisades West | Chattahoochee River National Recreation Area | 1-6 Hours | Year-round | Fee |
|---|
| Fairy Falls Ski Trail | Yellowstone National Park | 6-8 Hours | Winter | Reservation |
|---|
| Fairy Falls Trail | Yellowstone National Park | 3-5 Hours | Winter, Summer, Fall | — |
|---|
| Family-Friendly Paradise Activities | Mount Rainier National Park | 2-6 Hours | Summer, Fall | Fee |
|---|
| Farm Lane Trail | Eleanor Roosevelt National Historic Site, Home Of Franklin D Roosevelt National Historic Site | 1-2 Hours | Year-round | — |
|---|
| Farm Outbuildings Loop | Thomas Stone National Historic Site | 90-120 Minutes | Spring, Summer, Fall | — |
|---|
| Find Spring Wildflowers in Cuyahoga Valley | Cuyahoga Valley National Park | — | Spring | — |
|---|
| Find the Best Fall Colors in Cuyahoga Valley | Cuyahoga Valley National Park | — | Fall | — |
|---|
| First Manassas Trail | Manassas National Battlefield Park | 2-4 Hours | Year-round | — |
|---|
| Flagg Canyon | Grand Teton National Park | 2-4 Hours | Spring, Summer, Fall | — |
|---|
| Floral Trail | Hot Springs National Park | 20-40 Minutes | Year-round | — |
|---|
| Foothills Loop | Guadalupe Mountains National Park | 2-4 Hours | Year-round | Fee |
|---|
| Footprints Area | Hawaiʻi Volcanoes National Park | 1-2 Hours | — | — |
|---|
| Forces of the Northern Range Self-guided Trail | Yellowstone National Park | 30-60 Minutes | Spring, Summer, Fall | — |
|---|
| Forks of Cascade Canyon | Grand Teton National Park | 5-9 Hours | Summer, Fall | — |
|---|
| Fort to Sea Trail | Lewis and Clark National Historical Park | 3-6 Hours | Year-round | Fee |
|---|
| Fort Windham Rocks | Shenandoah National Park | 1 Hour | Year-round | — |
|---|
| Fossil Hills Trail | Agate Fossil Beds National Monument | 45-120 Minutes | Year-round | — |
|---|
| Fountain Trail | Hot Springs National Park | 10-25 Minutes | Year-round | — |
|---|
| Fox Hollow Trail | Shenandoah National Park | 1 Hour | Year-round | — |
|---|
| Francis Bay Trail | Virgin Islands National Park | 30-90 Minutes | — | — |
|---|
| Frazier Discovery Trail | Shenandoah National Park | 1-2 Hours | Year-round | — |
|---|
| From Woodlands to Prairies | George Washington Carver National Monument | 30-90 Minutes | Year-round | — |
|---|
| Funeral Loop Trail | Ocmulgee Mounds National Historical Park | 15-30 Minutes | Year-round | — |
|---|
| Garnet Canyon | Grand Teton National Park | 4-6 Hours | Summer, Fall | — |
|---|
| Garnet Hill Trail | Yellowstone National Park | 4-5 Hours | Year-round | — |
|---|
| General Grant Tree | Sequoia & Kings Canyon National Parks | — | — | — |
|---|
| Go Birding At Kenilworth Park and Aquatic Gardens! | Kenilworth Park & Aquatic Gardens | 1-4 Hours | Year-round | — |
|---|
| Go For a Winter Hike | Bryce Canyon National Park | — | Winter | Reservation |
|---|
| Go on a Day Hike at Coldwater Spring | Mississippi National River & Recreation Area | — | Year-round | — |
|---|
| Goat Rock Trail | Hot Springs National Park | 30-75 Minutes | Year-round | — |
|---|
| Grand Avenue Trail | Hot Springs National Park | 10-20 Minutes | Year-round | — |
|---|
| Grand Prismatic Overlook Trail | Yellowstone National Park | 1-2 Hours | Winter, Summer, Fall | — |
|---|
| Grand Promenade National Recreation Trail | Hot Springs National Park | 30-60 Minutes | Year-round | — |
|---|
| Grand View Point | Grand Teton National Park | 1-4 Hours | Summer, Fall | — |
|---|
| Granite Canyon | Grand Teton National Park | 7-11 Hours | Summer, Fall | — |
|---|
| Grant Grove Loop Winter Trail | Sequoia & Kings Canyon National Parks | 30-60 Minutes | Winter | — |
|---|
| Grebe Lake Trail | Yellowstone National Park | 3-4 Hours | Summer, Fall | — |
|---|
| Grotto Trail | Zion National Park | 15-45 Minutes | Year-round | — |
|---|
| Guadalupe Peak | Guadalupe Mountains National Park | 6-8 Hours | Year-round | Fee |
|---|
| Guided Hikes | Allegheny Portage Railroad National Historic Site | — | — | Reservation |
|---|
| Gulpha Gorge Trail | Hot Springs National Park | 30-60 Minutes | Year-round | — |
|---|
| Haʻakulamanu via Sulphur Banks Trail | Hawaiʻi Volcanoes National Park | 30-45 Minutes | — | — |
|---|
| Halemaʻumaʻu Trail | Hawaiʻi Volcanoes National Park | 1-2 Hours | — | — |
|---|
| Hanford: Hike Candy Mountain | Manhattan Project National Historical Park | 1-2 Hours | Year-round | — |
|---|
| Hanford: Hike the White Bluffs North Trail | Manhattan Project National Historical Park | 2-4 Hours | Winter, Spring, Fall | — |
|---|
| Hanford: Hike the White Bluffs South Slope Trail | Manhattan Project National Historical Park | 6-8 Hours | Winter, Spring, Fall | — |
|---|
| Harlequin Lake Trail | Yellowstone National Park | 30-60 Minutes | Spring, Summer, Fall | — |
|---|
| Hawksbill Loop | Shenandoah National Park | 2-3 Hours | Year-round | — |
|---|
| Hawksbill Summit | Shenandoah National Park | 1-2 Hours | Year-round | — |
|---|
| Hawksbill Summit via Upper Hawksbill | Shenandoah National Park | 1-2 Hours | Year-round | — |
|---|
| Hazel River Falls | Shenandoah National Park | 5-6 Hours | Year-round | — |
|---|
| Heart of Rocks Loop | Chiricahua National Park | 4-6 Hours | Year-round | — |
|---|
| Hellroaring Trail | Yellowstone National Park | 3-5 Hours | Summer, Fall | — |
|---|
| Hemmed-in Hollow Falls | Buffalo National River | 4-12 Hours | — | — |
|---|
| Henry Hill Loop Trail | Manassas National Battlefield Park | 30-90 Minutes | Year-round | — |
|---|
| Heritage Trail | Ocmulgee Mounds National Historical Park | 30-90 Minutes | Year-round | — |
|---|
| Hermitage Point | Grand Teton National Park | 4-7 Hours | Spring, Summer, Fall | — |
|---|
| Heron Pond - Swan Lake Loop Trail | Grand Teton National Park | 1-3 Hours | Spring, Summer, Fall | — |
|---|
| Hidden Falls | Grand Teton National Park | 1-3 Hours | Spring, Summer, Fall | — |
|---|
| Hightop Summit | Shenandoah National Park | 3-4 Hours | Year-round | — |
|---|
| Hike a Nature Trail | Fort Frederica National Monument | — | Year-round | — |
|---|
| Hike Alamo Canyon | Organ Pipe Cactus National Monument | 1-2 Hours | — | Fee |
|---|
| Hike along the Summit Level | Allegheny Portage Railroad National Historic Site | — | — | — |
|---|
| Hike Along the Towpath Through the Paw Paw Tunnel | Chesapeake & Ohio Canal National Historical Park, Potomac Heritage National Scenic Trail | 1-2 Minutes | — | — |
|---|
| Hike Among the Giants | Sequoia & Kings Canyon National Parks | — | Year-round | — |
|---|
| Hike Arch Canyon | Organ Pipe Cactus National Monument | 60-90 Minutes | Year-round | Fee |
|---|
| Hike Arch Rock | Joshua Tree National Park | 45-90 Minutes | Winter, Spring, Fall | — |
|---|
| Hike Bacon-Butterfield Ranch Trail | Pinnacles National Park | 30-60 Minutes | Year-round | — |
|---|
| Hike Bajada Trail | Joshua Tree National Park | 15-30 Minutes | Winter, Spring, Fall | — |
|---|
| Hike Balconies Cliffs Trail to Balconies Cave Trail Loop | Pinnacles National Park | 1-2 Hours | Year-round | — |
|---|
| Hike Bald Peak and Parkman Mountain Loop | Acadia National Park | 1-2 Hours | Year-round | — |
|---|
| Hike Bar Island Trail | Acadia National Park | 45-90 Minutes | Year-round | — |
|---|
| Hike Barker Dam Trail | Joshua Tree National Park | 30-60 Minutes | Year-round | — |
|---|
| Hike Beachcroft Path | Acadia National Park | 1-2 Hours | Year-round | — |
|---|
| Hike Beaver Pond Overlook Trail | Voyageurs National Park | 10-30 Minutes | Year-round | — |
|---|
| Hike Beech Mountain South Ridge Loop | Acadia National Park | 1-2 Hours | Year-round | — |
|---|
| Hike Beech Mountain Trail | Acadia National Park | 1-2 Hours | Year-round | — |
|---|
| Hike Beehive Loop | Acadia National Park | 1-3 Hours | Spring, Summer, Fall | — |
|---|
| Hike Bench Trail to Balconies Cave Trail | Pinnacles National Park | 4-6 Hours | Year-round | — |
|---|
| Hike Bench Trail to South Wilderness Trail | Pinnacles National Park | 3-4 Hours | Year-round | — |
|---|
| Hike Bench Trail to Sycamore Trail | Pinnacles National Park | 1-2 Hours | Year-round | — |
|---|
| Hike Blind Ash Bay Trail | Voyageurs National Park | 1-3 Hours | Year-round | — |
|---|
| Hike Boicourt Trail | Theodore Roosevelt National Park | 15-30 Minutes | Year-round | — |
|---|
| Hike Boy Scout Trail | Joshua Tree National Park | 1-10 Hours | Year-round | — |
|---|
| Hike Bradley Fork Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike Broken Top Loop | Craters Of The Moon National Monument & Preserve | 60-90 Minutes | Spring, Summer, Fall | — |
|---|
| Hike Bubbles | Acadia National Park | 60-90 Minutes | Spring, Summer, Fall | — |
|---|
| Hike Bubbles Nubble Loop | Acadia National Park | 1-2 Hours | Spring, Summer, Fall | — |
|---|
| Hike Cadillac North Ridge Trail | Acadia National Park | 2-4 Hours | Year-round | — |
|---|
| Hike Cadillac South Ridge Trail | Acadia National Park | 2-4 Hours | Year-round | — |
|---|
| Hike Cadillac Summit Loop | Acadia National Park | 1-3 Hours | Spring, Summer, Fall | Reservation |
|---|
| Hike Cap Rock | Joshua Tree National Park | 15-45 Minutes | Year-round | — |
|---|
| Hike Carriage Roads | Acadia National Park | — | Year-round | — |
|---|
| Hike Castle Windy Trail | Canaveral National Seashore | — | Winter | Fee |
|---|
| Hike Chalone Peak Trail | Pinnacles National Park | 3-5 Hours | Year-round | — |
|---|
| Hike Cholla Cactus Garden | Joshua Tree National Park | 15-30 Minutes | Year-round | — |
|---|
| Hike Civil War Skirmish Lines at Harpers Ferry | Harpers Ferry National Historical Park | 1-8 Hours | Year-round | Fee |
|---|
| Hike Coal Vein Trail | Theodore Roosevelt National Park | 30-45 Minutes | Year-round | — |
|---|
| Hike Compass Harbor Trail | Acadia National Park | 30-45 Minutes | Year-round | — |
|---|
| Hike Condor Gulch Trail | Pinnacles National Park | 60-90 Minutes | Year-round | — |
|---|
| Hike Condor Gulch Trail to High Peaks Trail Loop | Pinnacles National Park | 3-5 Hours | Year-round | — |
|---|
| Hike Contact Mine | Joshua Tree National Park | 2-3 Hours | Winter, Spring, Fall | — |
|---|
| Hike Cooper Road Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike Cottonwood Spring | Joshua Tree National Park | 5-20 Minutes | Year-round | — |
|---|
| Hike Cove Hardwood Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike Creekside Towers Trail | City Of Rocks National Reserve | 1-2 Hours | — | — |
|---|
| Hike Crystal Creek Trail | Curecanti National Recreation Area | 2-3 Hours | Spring, Fall | — |
|---|
| Hike Curecanti Creek Trail | Curecanti National Recreation Area | 2-3 Hours | Spring, Summer, Fall | — |
|---|
| Hike Deasey Ponds Trail | Katahdin Woods and Waters National Monument | 45-90 Minutes | Spring, Summer, Fall | — |
|---|
| Hike Deep Creek Trail to Indian Creek Falls | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike Desert Sand Dunes | Mojave National Preserve | 1-4 Hours | Winter, Spring, Fall | — |
|---|
| Hike Devils Orchard | Craters Of The Moon National Monument & Preserve | 30-45 Minutes | Spring, Summer, Fall | — |
|---|
| Hike Dillon Pinnacles | Curecanti National Recreation Area | 2-3 Hours | Year-round | — |
|---|
| Hike Dorr Mountain South Ridge Loop | Acadia National Park | 1-2 Hours | Spring, Summer, Fall | — |
|---|
| Hike Echo Bay Trail | Voyageurs National Park | 40-120 Minutes | Year-round | — |
|---|
| Hike Emery Path | Acadia National Park | 20-45 Minutes | Spring, Summer, Fall | — |
|---|
| Hike Emmons Moraine Trail | Mount Rainier National Park | 1-2 Hours | Summer, Fall | — |
|---|
| Hike Flying Mountain Loop | Acadia National Park | 1-2 Hours | Spring, Summer, Fall | — |
|---|
| Hike Fortynine Palms Oasis | Joshua Tree National Park | 2-3 Hours | Winter, Spring, Fall | — |
|---|
| Hike Giant Slide Loop | Acadia National Park | 2-4 Hours | Year-round | — |
|---|
| Hike Goldmine Loop via Tunnel Bypass Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike Gorge Path | Acadia National Park | 2-3 Hours | Spring, Summer, Fall | — |
|---|
| Hike Gorham Mountain Loop | Acadia National Park | 1-3 Hours | Spring, Summer, Fall | — |
|---|
| Hike Grand Portage Trails | Grand Portage National Monument | — | Year-round | — |
|---|
| Hike Great Head Trail | Acadia National Park | 2-4 Hours | Year-round | — |
|---|
| Hike Hadlock Ponds Loop | Acadia National Park | 2-4 Hours | Year-round | — |
|---|
| Hike Hermits Rest Trail | Curecanti National Recreation Area | 2-3 Hours | Year-round | — |
|---|
| Hike Hi-View Trail | Joshua Tree National Park | 1-2 Hours | Winter, Spring, Fall | — |
|---|
| Hike Hidden Valley Trail | Joshua Tree National Park | 30-60 Minutes | Year-round | — |
|---|
| Hike High Peaks to Balconies Cave Loop | Pinnacles National Park | 4-5 Hours | Year-round | — |
|---|
| Hike High Peaks to Bear Gulch Loop | Pinnacles National Park | 4-5 Hours | Year-round | — |
|---|
| Hike Homans Path | Acadia National Park | 15-30 Minutes | Spring, Summer, Fall | — |
|---|
| Hike Indian Cove Trail | Joshua Tree National Park | 30-45 Minutes | Year-round | — |
|---|
| Hike Into Santa Elena Canyon | Big Bend National Park | — | Year-round | — |
|---|
| Hike Jawbone Trail | Pinnacles National Park | 30-60 Minutes | Year-round | — |
|---|
| Hike Jesup Path and Hemlock Path Loop | Acadia National Park | 30-60 Minutes | Year-round | — |
|---|
| Hike Jordan Cliffs Loop | Acadia National Park | 3-4 Hours | Spring, Fall | — |
|---|
| Hike Jordan Pond Path | Acadia National Park | 1-3 Hours | Year-round | — |
|---|
| Hike Juniper Canyon Trail Loop | Pinnacles National Park | 2-3 Hours | Year-round | Reservation |
|---|
| Hike Kabetogama Lake Overlook Trail | Voyageurs National Park | 10-30 Minutes | Spring, Summer, Fall | — |
|---|
| Hike Kebo Brook Trail to Kebo Mountain | Acadia National Park | 1-2 Hours | Year-round | — |
|---|
| Hike Kephart Prong Trail to Historic CCC Camp | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike Kurt Diederichs Climb | Acadia National Park | 20-30 Minutes | Spring, Summer, Fall | — |
|---|
| Hike Lassen Peak | Lassen Volcanic National Park | 4-5 Hours | Summer, Fall | — |
|---|
| Hike Little River Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike Lost Horse Mine | Joshua Tree National Park | 2-4 Hours | Winter, Spring, Fall | — |
|---|
| Hike Lost Palms Oasis | Joshua Tree National Park | 4-6 Hours | Winter, Spring, Fall | — |
|---|
| Hike Mastodon Peak | Joshua Tree National Park | 2-3 Hours | Winter, Spring, Fall | — |
|---|
| Hike Mesa Creek Trail | Curecanti National Recreation Area | 1-2 Hours | Spring, Summer, Fall | — |
|---|
| Hike Minerva Hoyt Trail | Joshua Tree National Park | 1-2 Hours | Winter, Spring, Fall | — |
|---|
| Hike Moses Spring Trail to Rim Trail Loop | Pinnacles National Park | 1-2 Hours | Year-round | — |
|---|
| Hike Neversink Trail | Curecanti National Recreation Area | 30-60 Minutes | Year-round | — |
|---|
| Hike Nisqually Vista Trail | Mount Rainier National Park | 45-60 Minutes | Year-round | — |
|---|
| Hike North Wilderness Trail Loop | Pinnacles National Park | 5-8 Hours | Year-round | — |
|---|
| Hike Norumbega Mountain Loop | Acadia National Park | 2-3 Hours | Year-round | — |
|---|
| Hike Oasis of Mara | Joshua Tree National Park | 30-45 Minutes | Year-round | — |
|---|
| Hike Ocean Path Trail | Acadia National Park | 2-4 Hours | Year-round | — |
|---|
| Hike Officer's Hill | San Juan Island National Historical Park | — | — | — |
|---|
| Hike Old Pinnacles Trail to Balconies Cave | Pinnacles National Park | 3-4 Hours | Year-round | — |
|---|
| Hike on Chestnut Top Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike on El Camino Real de los Tejas | El Camino Real de los Tejas National Historic Trail | — | — | Fee |
|---|
| Hike on El Camino Real de Tierra Adentro | El Camino Real de Tierra Adentro National Historic Trail | — | — | Fee |
|---|
| Hike on the California Trail | California National Historic Trail | — | — | Fee |
|---|
| Hike on the Oregon Trail | Oregon National Historic Trail | — | — | — |
|---|
| Hike on the Santa Fe Trail | Santa Fe National Historic Trail | — | — | — |
|---|
| Hike on the Trail of Tears | Trail Of Tears National Historic Trail | — | — | Fee |
|---|
| Hike or bike to the Staple Bend Tunnel | Allegheny Portage Railroad National Historic Site | — | — | — |
|---|
| Hike Panorama Loop Trail | Joshua Tree National Park | 3-5 Hours | Winter, Spring, Fall | — |
|---|
| Hike Pemetic Mountain Loop | Acadia National Park | 2-3 Hours | Spring, Summer, Fall | — |
|---|
| Hike Pemetic South Ridge | Acadia National Park | 2-3 Hours | Year-round | — |
|---|
| Hike Perpendicular and Razorback Loop | Acadia National Park | 1-2 Hours | Spring, Summer, Fall | — |
|---|
| Hike Pine City Trail | Joshua Tree National Park | 2-3 Hours | Winter, Spring, Fall | — |
|---|
| Hike Pine Creek Trail | Curecanti National Recreation Area | 1-2 Hours | Spring, Summer, Fall | — |
|---|
| Hike Pole Canyon | Great Basin National Park | 3-6 Hours | Year-round | — |
|---|
| Hike Porters Creek Trail | Great Smoky Mountains National Park | 1-3 Hours | — | Fee |
|---|
| Hike Precipice Loop | Acadia National Park | 2-3 Hours | Spring, Fall | — |
|---|
| Hike Prewett Point Trail | Pinnacles National Park | 30-60 Minutes | Year-round | — |
|---|
| Hike Rampart Ridge | Mount Rainier National Park | 2-3 Hours | Year-round | — |
|---|
| Hike Ryan Mountain | Joshua Tree National Park | 2-3 Hours | Winter, Spring, Fall | — |
|---|
| Hike Sagamore Hill's Nature Trail | Sagamore Hill National Historic Site | 30-60 Minutes | Year-round | — |
|---|
| Hike Schiff Path | Acadia National Park | 30-60 Minutes | Spring, Summer, Fall | — |
|---|
| Hike Schoodic Peninsula Trails | Acadia National Park | — | Year-round | — |
|---|
| Hike Shine Eye to Gilbert | Buffalo National River | 4 Hours | Year-round | — |
|---|
| Hike Ship Harbor Trail | Acadia National Park | 30-60 Minutes | Spring, Summer, Fall | — |
|---|
| Hike Skull Rock | Joshua Tree National Park | 1-2 Hours | Winter, Spring, Fall | — |
|---|
| Hike Skyline Vista Trail | Theodore Roosevelt National Park | 5-15 Minutes | Year-round | — |
|---|
| Hike Smokemont Nature Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike Spectacle Island's Drumlins | Boston Harbor Islands National Recreation Area | — | Spring, Summer, Fall | — |
|---|
| Hike Split Rock | Joshua Tree National Park | 90-150 Minutes | Winter, Spring, Fall | — |
|---|
| Hike St. Sauveur and Acadia Mountain Loop | Acadia National Park | 2-4 Hours | Year-round | — |
|---|
| Hike the 1871 Trail | Puʻuhonua o Hōnaunau National Historical Park | 1-2 Hours | Year-round | — |
|---|
| Hike the Abbotts Lagoon Trail to the Footbridge | Point Reyes National Seashore | 40-75 Minutes | Year-round | — |
|---|
| Hike the Abbotts Lagoon Trail to the Ocean | Point Reyes National Seashore | 60-90 Minutes | Year-round | — |
|---|
| Hike the ADA Sky Island Forest Trail | Great Basin National Park | 15-45 Minutes | Summer, Fall | — |
|---|
| Hike the Alpine Lakes Loop | Great Basin National Park | 1-3 Hours | Year-round | — |
|---|
| Hike the Anza Trail from Tumacácori to Tubac, AZ | Juan Bautista de Anza National Historic Trail, Tumacácori National Historical Park | 2-6 Hours | Winter, Spring, Fall | — |
|---|
| Hike the Anza Trail through Moreno Valley | Juan Bautista de Anza National Historic Trail | 2-4 Hours | Year-round | — |
|---|
| Hike the Arrowhead Loop Trail | Juan Bautista de Anza National Historic Trail | 2-5 Hours | Year-round | — |
|---|
| Hike the Atlantic White Cedar Swamp Trail | Cape Cod National Seashore | 30-60 Minutes | Year-round | — |
|---|
| Hike the Baker Creek Loop | Great Basin National Park | 90-180 Minutes | Year-round | — |
|---|
| Hike the Battlefields | Fredericksburg & Spotsylvania National Military Park | 1-8 Hours | Year-round | — |
|---|
| Hike the Beaver Slide Trail | Big Thicket National Preserve | 30-60 Minutes | Year-round | — |
|---|
| Hike the Beech Forest Trail | Cape Cod National Seashore | 30-60 Minutes | Year-round | — |
|---|
| Hike the Beech Woods Trail | Big Thicket National Preserve | 1-2 Hours | Year-round | — |
|---|
| Hike the Bell Point Loop | San Juan Island National Historical Park | — | — | — |
|---|
| Hike the Big Sandy Trail | Big Thicket National Preserve | — | Year-round | — |
|---|
| Hike the Big Wash Trail | Great Basin National Park | 12-24 Hours | Summer, Fall | — |
|---|
| Hike the Birdwatchers Trail | Big Thicket National Preserve | 30-60 Minutes | Year-round | — |
|---|
| Hike the Blue Ridge Parkway Visitor Center Loop Trail | Blue Ridge Parkway | 60-90 Minutes | Year-round | — |
|---|
| Hike the Bluff Trail | San Juan Island National Historical Park | — | — | — |
|---|
| Hike the Bolinas Ridge Trail | Golden Gate National Recreation Area, Point Reyes National Seashore | 1-11 Hours | Year-round | — |
|---|
| Hike the Boy Scout Tree Trail | Redwood National and State Parks | 3-5 Hours | Year-round | — |
|---|
| Hike the Brandywine Gorge Loop | Cuyahoga Valley National Park | 1-2 Hours | Year-round | — |
|---|
| Hike the Buffalo Point Campground Trails | Buffalo National River | 1-4 Hours | Year-round | — |
|---|
| Hike the Buffalo River Trail - Woolum to Dillards Ferry | Buffalo National River | 24-48 Hours | Year-round | — |
|---|
| Hike the Buffalo River Trail - Woolum to Tyler Bend | Buffalo National River | 12 Hours | Year-round | — |
|---|
| Hike the Bunchgrass Prairie Nature Trail | Lake Roosevelt National Recreation Area | 0-1 Hours | — | — |
|---|
| Hike the Buttonbush Trail | Cape Cod National Seashore | 10-20 Minutes | Year-round | — |
|---|
| Hike the Capers Creek Trail | Reconstruction Era National Historical Park | 30-60 Minutes | Year-round | — |
|---|
| Hike the Carriage Road Nature Trail | Johnstown Flood National Memorial | — | — | — |
|---|
| Hike the Cave Trail | Timpanogos Cave National Monument | 60-150 Minutes | Year-round | — |
|---|
| Hike the Chimney Rock Trail | Point Reyes National Seashore | 40-90 Minutes | Year-round | — |
|---|
| Hike the City of Rocks Loop | City Of Rocks National Reserve | 4-6 Hours | — | — |
|---|
| Hike the Deep Creek Waterfalls Loop | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike the Delta de Anza/Mokelumne Loop | Juan Bautista de Anza National Historic Trail | 2-4 Hours | Year-round | — |
|---|
| Hike the Devils Courthouse Trail | Blue Ridge Parkway | 1-2 Hours | Year-round | — |
|---|
| Hike the Doane Trail | Cape Cod National Seashore | 30-60 Minutes | Year-round | — |
|---|
| Hike the El Calderon Trail | El Malpais National Monument | 1-3 Hours | Year-round | — |
|---|
| Hike the Emigrant Trail | Hagerman Fossil Beds National Monument | — | — | — |
|---|
| Hike the Estero Trail to Drakes Head or Sunset Beach | Point Reyes National Seashore | 1-7 Hours | Year-round | — |
|---|
| Hike the Estero Trail to Home Bay | Point Reyes National Seashore | 45-90 Minutes | Year-round | — |
|---|
| Hike the Estero–Glenbrook–Muddy Hollow Road Loop | Point Reyes National Seashore | 3-4 Hours | Year-round | — |
|---|
| Hike the Estes Canyon/Bull Pasture Loop | Organ Pipe Cactus National Monument | 1-3 Hours | Winter, Spring, Fall | Fee |
|---|
| Hike the Finley Cane, Bote Mountain, Lead Cove Loop | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike the Fort Hill Trail | Cape Cod National Seashore | 30-60 Minutes | Year-round | — |
|---|
| Hike the Gatlinburg Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike the Geological Interpretive Trail | City Of Rocks National Reserve | 1-2 Hours | — | — |
|---|
| Hike the Grandview Rim Trail | New River Gorge National Park & Preserve | 0-2 Hours | Year-round | — |
|---|
| Hike the Great Island Trail | Cape Cod National Seashore | 3-4 Hours | Year-round | — |
|---|
| Hike the Gully Creek Trail Loop | Blue Ridge Parkway | 2-3 Hours | Spring, Summer, Fall | — |
|---|
| Hike the Hammock Trail | Timucuan Ecological & Historic Preserve | 20-60 Minutes | Year-round | — |
|---|
| Hike the High Meadow Trail at the Blue Ridge Music Center | Blue Ridge Parkway | 60-90 Minutes | Year-round | — |
|---|
| Hike the Historic Old County Road! | Organ Pipe Cactus National Monument | 3-5 Hours | Year-round | Reservation, Fee |
|---|
| Hike the Holly Trail | Hovenweep National Monument | 4 Hours | Spring, Summer, Fall | — |
|---|
| Hike the Hoodoos | Bryce Canyon National Park | 2-6 Hours | Year-round | Fee |
|---|
| Hike the Inclines 6 to 10 Trail | Allegheny Portage Railroad National Historic Site | — | — | — |
|---|
| Hike the Indian Rockhouse Trail | Buffalo National River | 3-5 Hours | Year-round | — |
|---|
| Hike the Inscription Rock Trail | El Morro National Monument | 30-60 Minutes | Year-round | — |
|---|
| Hike the International Appalachian Trail | Katahdin Woods and Waters National Monument | 2-3 Days | Spring, Summer, Fall | — |
|---|
| Hike the Jakle's Lagoon Nature Trail | San Juan Island National Historical Park | — | — | — |
|---|
| Hike the James Irvine Trail to Fern Canyon Loop | Redwood National and State Parks | 4-8 Hours | Year-round | — |
|---|
| Hike the Kehoe Beach Trail | Point Reyes National Seashore | 25-75 Minutes | Year-round | — |
|---|
| Hike the Kelso Dunes | Mojave National Preserve | 30-180 Minutes | Winter, Spring, Fall | — |
|---|
| Hike the Kirby Nature Trail | Big Thicket National Preserve | 1-2 Hours | Year-round | — |
|---|
| Hike the Laguna-Coast Loop | Point Reyes National Seashore | 2-3 Hours | Year-round | — |
|---|
| Hike the Ledges Trail | Cuyahoga Valley National Park | 1-2 Hours | Year-round | — |
|---|
| Hike the Lehman Creek Trail | Great Basin National Park | 3-6 Hours | Year-round | — |
|---|
| Hike the Lichen Trail | Katahdin Woods and Waters National Monument | 1-2 Hours | — | — |
|---|
| Hike the Lind Point Trails | Virgin Islands National Park | 20-40 Minutes | Year-round | — |
|---|
| Hike The Little Mo Nature Trail | Theodore Roosevelt National Park | 30-45 Minutes | Year-round | — |
|---|
| Hike the Little River, Cucumber Gap, Jakes Creek Loop | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike the Longleaf Pine Trail | Big Thicket National Preserve | 30-60 Minutes | Year-round | — |
|---|
| Hike the Lost Mine Trail | Big Bend National Park | — | Year-round | — |
|---|
| Hike the Lower Cliff Dwelling Trail | Tonto National Monument | 30-90 Minutes | Year-round | Fee |
|---|
| Hike the Main Trail at Muir Woods | Golden Gate National Recreation Area, Muir Woods National Monument | 1-2 Hours | Year-round | Fee |
|---|
| Hike the Marshall Beach Trail | Point Reyes National Seashore | 50-90 Minutes | Year-round | — |
|---|
| Hike the McClures Beach Trail | Point Reyes National Seashore | 20-60 Minutes | — | — |
|---|
| Hike the Meadow–Horse Trails Loop | Point Reyes National Seashore | 2-4 Hours | Year-round | — |
|---|
| Hike the Mission Point Trail | Lake Roosevelt National Recreation Area | 0-1 Hours | — | — |
|---|
| Hike the Mitchell Hill Easy Loop | San Juan Island National Historical Park | — | — | — |
|---|
| Hike the Mitchell Hill Moderate Loop | San Juan Island National Historical Park | — | — | — |
|---|
| Hike The Mount Finlayson Loop Trail | San Juan Island National Historical Park | 1-2 Hours | — | — |
|---|
| Hike the Mountain View Nature Trail | Great Basin National Park | 5-30 Minutes | Year-round | — |
|---|
| Hike the Muddy Hollow Trail | Point Reyes National Seashore | 1-3 Hours | Year-round | — |
|---|
| Hike the Narrows Rim Trail | El Malpais National Monument | 1-6 Hours | Year-round | — |
|---|
| Hike the Nauset Marsh Trail | Cape Cod National Seashore | 1-2 Hours | Year-round | — |
|---|
| Hike the Nightingale Trail | Cumberland Island National Seashore | 20-30 Minutes | Year-round | Fee |
|---|
| Hike the North Crater Trail | Craters Of The Moon National Monument & Preserve | 90-120 Minutes | Spring, Summer, Fall | — |
|---|
| Hike the Northern Loop in Rock Creek Park | Civil War Defenses of Washington, Potomac Heritage National Scenic Trail, Rock Creek Park | 120 Minutes | Year-round | — |
|---|
| Hike the Oberholtzer Trail | Voyageurs National Park | 45-80 Minutes | Year-round | — |
|---|
| Hike the Oconaluftee River Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike the Old Military Road Trail | San Juan Island National Historical Park | — | — | — |
|---|
| Hike the Old Railroad Trail | Buffalo National River | 3 Hours | Year-round | — |
|---|
| Hike the Ozark Trail | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| Hike the Painted Canyon Nature Trail | Theodore Roosevelt National Park | 30-80 Minutes | Year-round | — |
|---|
| Hike the Pamet Area Trails | Cape Cod National Seashore | 1-2 Hours | Year-round | — |
|---|
| Hike the Petrified Forest | Theodore Roosevelt National Park | 2-10 Hours | Year-round | — |
|---|
| Hike the Pilgrim Spring Trail | Cape Cod National Seashore | 30-60 Minutes | Year-round | — |
|---|
| Hike the Pitcher Plant Trail | Big Thicket National Preserve | 1-2 Hours | Year-round | — |
|---|
| Hike the Red Maple Swamp | Cape Cod National Seashore | 30-60 Minutes | Year-round | — |
|---|
| Hike the Rift Zone Trail | Point Reyes National Seashore | 1-4 Hours | Year-round | — |
|---|
| Hike the Rift Zone Trail to the Vedanta Society Retreat Access Road | Point Reyes National Seashore | 40-60 Minutes | Year-round | — |
|---|
| Hike the Rings Loop | Mojave National Preserve | 1-2 Hours | Year-round | — |
|---|
| Hike the River Trail | Cumberland Island National Seashore | 20-30 Minutes | Year-round | Fee |
|---|
| Hike the Roanoke River Trail | Blue Ridge Parkway | 20-60 Minutes | Year-round | — |
|---|
| Hike the Rush Mine Level Trail and Morning Star Interpretive Loop | Buffalo National River | 1-4 Hours | Year-round | — |
|---|
| Hike the Sage Steppe Loop | Great Basin National Park | 30-90 Minutes | Spring, Summer, Fall | — |
|---|
| Hike the Santa Cruz River | Juan Bautista de Anza National Historic Trail, Tumacácori National Historical Park | 30 Minutes | Year-round | — |
|---|
| Hike the Seboeis Riverside Trail | Katahdin Woods and Waters National Monument | 0-7 Hours | — | — |
|---|
| Hike the Senita Basin Loop | Organ Pipe Cactus National Monument | 2-3 Hours | Year-round | Fee |
|---|
| Hike the Sentinel Trail | Lake Roosevelt National Recreation Area | 1-2 Hours | — | — |
|---|
| Hike the Serviceberry Trail | Great Basin National Park | 90-150 Minutes | Spring, Summer, Fall | — |
|---|
| Hike the Sherman Creek Wildlife Area | Lake Roosevelt National Recreation Area | — | — | — |
|---|
| Hike the Shoshone ADA Trail | Great Basin National Park | 10-20 Minutes | Spring, Summer, Fall | — |
|---|
| Hike the Sky–Bear Valley Loop | Point Reyes National Seashore | 4-6 Hours | Year-round | — |
|---|
| Hike the Sky–Woodward Valley–Fire Lane Loop | Point Reyes National Seashore | 4-6 Hours | Year-round | — |
|---|
| Hike the Small's Swamp Trail | Cape Cod National Seashore | 30-60 Minutes | Year-round | — |
|---|
| Hike the South Beach Trail | San Juan Island National Historical Park | — | — | — |
|---|
| Hike the South Rim Trail | Cedar Breaks National Monument | 1-4 Hours | Summer | Fee |
|---|
| Hike the Southend Loop | Cumberland Island National Seashore | 3-5 Hours | Year-round | Fee |
|---|
| Hike the Southern Loop in Rock Creek Park | Rock Creek Park | 120 Minutes | Year-round | — |
|---|
| Hike the Sullivan Bay Trail | Voyageurs National Park | 30-90 Minutes | Year-round | — |
|---|
| Hike the Sundew Trail | Big Thicket National Preserve | 1-2 Hours | Year-round | — |
|---|
| Hike the Timber Creek Trail | Great Basin National Park | 3-6 Hours | Year-round | — |
|---|
| Hike the Tomales Point Trail | Point Reyes National Seashore | 1-5 Hours | Year-round | — |
|---|
| Hike the Tomales Point Trail to Windy Gap | Point Reyes National Seashore | 40-90 Minutes | Year-round | — |
|---|
| Hike the Trails at Bartlett Cove | Glacier Bay National Park & Preserve | — | Year-round | — |
|---|
| Hike the Trails at Chiricahua | Chiricahua National Park | 1-9 Hours | Year-round | — |
|---|
| Hike the Trails at Fort Donelson NB | Fort Donelson National Battlefield | 45-90 Minutes | Year-round | — |
|---|
| Hike the Tree Molds Trail | Craters Of The Moon National Monument & Preserve | 60-90 Minutes | Spring, Summer, Fall | — |
|---|
| Hike the Turkey Creek Trail | Big Thicket National Preserve | — | Year-round | — |
|---|
| Hike the Upper Strawberry Trail | Great Basin National Park | 2-4 Hours | Spring, Summer, Fall | — |
|---|
| Hike the Valley Trail | Rock Creek Park | — | Year-round | — |
|---|
| Hike the Westcott Bay Trail | San Juan Island National Historical Park | — | — | — |
|---|
| Hike the Western Ridge Trail | Rock Creek Park | — | Year-round | — |
|---|
| Hike the Wilkinson Trail | Saratoga National Historical Park | 1-3 Hours | Year-round | — |
|---|
| Hike the Woodlands Trail | Big Thicket National Preserve | 2-4 Hours | Year-round | — |
|---|
| Hike the Woodward Valley Loop | Point Reyes National Seashore | 6-7 Hours | Year-round | — |
|---|
| Hike the Wuksachi Trail | Sequoia & Kings Canyon National Parks | 1-6 Hours | Year-round | — |
|---|
| Hike to a Bird's Eye View | Sequoia & Kings Canyon National Parks | 1-2 Hours | Spring, Summer, Fall | — |
|---|
| Hike to Abrams Falls | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Alamere Falls | Point Reyes National Seashore | 6-8 Hours | Year-round | — |
|---|
| Hike to Alum Cave Bluffs | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Andrews Bald | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Baker Lake | Great Basin National Park | 5-10 Hours | Spring, Summer, Fall | Reservation |
|---|
| Hike To Barnard Mountain | Katahdin Woods and Waters National Monument | 2-4 Hours | — | — |
|---|
| Hike to Bass Lake | Point Reyes National Seashore | 2-4 Hours | Year-round | — |
|---|
| Hike to Bench and Snow Lakes | Mount Rainier National Park | 2 Hours | Summer, Fall | — |
|---|
| Hike to Blue Hen Falls from Boston | Cuyahoga Valley National Park | 1-2 Hours | Year-round | — |
|---|
| Hike to Bumpass Hell | Lassen Volcanic National Park | 90 Minutes | Summer, Fall | — |
|---|
| Hike to Burroughs Mountain | Mount Rainier National Park | 3-6 Hours | Summer | — |
|---|
| Hike to Charlies Bunion | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Chasteen Creek Cascade | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Chimney Rock: The Orange Blazed Trail | Catoctin Mountain Park | 2-4 Hours | Spring, Summer, Fall | — |
|---|
| Hike to Chimney Tops Overlook | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Dead Lake | Great Basin National Park | 2-5 Hours | Spring, Summer, Fall | — |
|---|
| Hike to Deasey Mountain | Katahdin Woods and Waters National Monument | 5-8 Hours | — | — |
|---|
| Hike to Divide Meadow | Point Reyes National Seashore | 1-2 Hours | Year-round | — |
|---|
| Hike to Dumpling Overlook | Katmai National Park & Preserve | — | Spring, Summer, Fall | — |
|---|
| Hike to Dungeness | Cumberland Island National Seashore | 1-2 Hours | — | Fee |
|---|
| Hike to Fall Colors | Guadalupe Mountains National Park | 2-6 Hours | Fall | Fee |
|---|
| Hike to Fort Falls | Niobrara National Scenic River | 20-60 Minutes | Year-round | — |
|---|
| Hike to Fourth of July Beach | San Juan Island National Historical Park | — | — | — |
|---|
| Hike to Gobblers Knob Fire Lookout | Mount Rainier National Park | 6-7 Hours | Spring, Summer, Fall | — |
|---|
| Hike to Grandma's Cove | San Juan Island National Historical Park | — | — | — |
|---|
| Hike to Grotto Falls | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Haskell Rock | Katahdin Woods and Waters National Monument | 2-4 Hours | — | — |
|---|
| Hike to Hen Wallow Falls | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Johnson Lake from Baker Creek | Great Basin National Park | 5-8 Hours | Year-round | — |
|---|
| Hike to Johnson Lake from Snake Creek | Great Basin National Park | 4-8 Hours | Summer, Fall | — |
|---|
| Hike to Kachina Bridge | Natural Bridges National Monument | 1-2 Hours | Year-round | — |
|---|
| Hike to Kings Creek Falls | Lassen Volcanic National Park | 90 Minutes | Summer, Fall | — |
|---|
| Hike to Kuwohi | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Laurel Falls | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Lexington Arch | Great Basin National Park | 2-4 Hours | Year-round | — |
|---|
| Hike to Little Greyfield | Cumberland Island National Seashore | 2-4 Hours | Year-round | Fee |
|---|
| Hike to Look Rock Tower | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Lost Cabin | Organ Pipe Cactus National Monument | 4-5 Hours | Year-round | Fee |
|---|
| Hike to Lynn Camp Prong Cascades | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Miller Point | Point Reyes National Seashore | 4-6 Hours | — | — |
|---|
| Hike to Mount Le Conte on Alum Cave Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Mount Le Conte on Bullhead Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Mount Le Conte on Rainbow Falls Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Mount Le Conte on the Appalachian Trail and Boulevard Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Mount Le Conte on Trillium Gap Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Mount Wittenberg from Bear Valley | Point Reyes National Seashore | 2-3 Hours | Year-round | — |
|---|
| Hike to Mount Wittenberg from the Sky Trailhead | Point Reyes National Seashore | 2-3 Hours | Year-round | — |
|---|
| Hike To Orin Falls | Katahdin Woods and Waters National Monument | 3-6 Hours | — | — |
|---|
| Hike to Owachomo Bridge | Natural Bridges National Monument | 20-60 Minutes | Year-round | — |
|---|
| Hike to Rainbow Falls | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Ramsey Cascades | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Rattlesnake Lodge | Blue Ridge Parkway | 1-3 Hours | Year-round | — |
|---|
| Hike to Sculptured Beach | Point Reyes National Seashore | 3-5 Hours | Year-round | — |
|---|
| Hike to Sea Camp Beach | Cumberland Island National Seashore | 20-30 Minutes | Year-round | Fee |
|---|
| Hike to Secret Beach and Skylight Cave | Point Reyes National Seashore | 3-4 Hours | Year-round | — |
|---|
| Hike to Shriner Peak Fire Lookout | Mount Rainier National Park | 5-6 Hours | Spring, Summer, Fall | — |
|---|
| Hike to Silver Falls | Mount Rainier National Park | 2 Hours | Spring, Summer, Fall | — |
|---|
| Hike to Sipapu Bridge | Natural Bridges National Monument | 1-2 Hours | Year-round | — |
|---|
| Hike to Snake Creek Overlook | Great Basin National Park | 30-90 Minutes | Spring, Summer, Fall | — |
|---|
| Hike to Spray Falls | Mount Rainier National Park | 2-3 Hours | Summer | — |
|---|
| Hike to Steve Woody House | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to the Falls and Hog Rock: The Yellow Blazed Trail | Catoctin Mountain Park | 2-4 Hours | Year-round | — |
|---|
| Hike to the Glacier | Great Basin National Park | 2-4 Hours | Spring, Summer, Fall | — |
|---|
| Hike to the Grove Of Titans | Redwood National and State Parks | 1-2 Hours | Year-round | — |
|---|
| Hike to the Horse Collar Ruin Overlook | Natural Bridges National Monument | 30-45 Minutes | Year-round | — |
|---|
| Hike to the Little Greenbrier School and Walker Homesite | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to the Sandhill Loop Trail | Big Thicket National Preserve | 2-8 Hours | Year-round | — |
|---|
| Hike to the Site of the Y Ranch | Point Reyes National Seashore | 4-6 Hours | Year-round | — |
|---|
| Hike to the Tall Trees Grove | Redwood National and State Parks | 3-6 Hours | Year-round | Reservation |
|---|
| Hike to the Taylor Farm Site | Prince William Forest Park | 30-120 Minutes | Year-round | Fee |
|---|
| Hike to the Wheeler Peak Bristlecone Grove | Great Basin National Park | 1-3 Hours | Spring, Summer, Fall | — |
|---|
| Hike to Thurmont Vista: The Pink Blazed Trail | Catoctin Mountain Park | 1-2 Hours | Year-round | — |
|---|
| Hike to Trillium Falls | Redwood National and State Parks | 30-90 Minutes | Year-round | — |
|---|
| Hike to Twentymile Cascade | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike to Victoria Mine | Organ Pipe Cactus National Monument | 3-4 Hours | Year-round | Fee |
|---|
| Hike to Wheeler Peak | Great Basin National Park | 4-10 Hours | Summer, Fall | — |
|---|
| Hike to Whiskeytown Falls | Whiskeytown National Recreation Area | 2-3 Hours | Year-round | — |
|---|
| Hike to Wildcat Beach | Point Reyes National Seashore | 4-7 Hours | Year-round | — |
|---|
| Hike to Young Hill | San Juan Island National Historical Park | — | — | — |
|---|
| Hike Trails at the Base of Capulin Volcano | Capulin Volcano National Monument | 10-180 Minutes | Year-round | — |
|---|
| Hike Tyler Bend Trails | Buffalo National River | 1-4 Hours | Year-round | — |
|---|
| Hike up Buck Hill | Theodore Roosevelt National Park | 5-30 Minutes | Year-round | — |
|---|
| Hike Up Inferno Cone | Craters Of The Moon National Monument & Preserve | 30-45 Minutes | Spring, Summer, Fall | — |
|---|
| Hike Voyageurs Forest Overlook Trail | Voyageurs National Park | 10-30 Minutes | Spring, Summer, Fall | — |
|---|
| Hike Wall Street Mill | Joshua Tree National Park | 45-120 Minutes | Winter, Spring, Fall | — |
|---|
| Hike West Prong Trail | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Hike West Side Loop | Joshua Tree National Park | 2-3 Hours | Winter, Spring, Fall | — |
|---|
| Hike Western Mountain Loop | Acadia National Park | 2-3 Hours | Year-round | — |
|---|
| Hike Willow Hole | Joshua Tree National Park | 3-5 Hours | Winter, Spring, Fall | — |
|---|
| Hike Wind Canyon Trail | Theodore Roosevelt National Park | 5-30 Minutes | Year-round | — |
|---|
| Hike Wonderland Trail | Acadia National Park | 30-60 Minutes | Year-round | — |
|---|
| Hike Zig Zag Loop | Redwood National and State Parks | — | — | — |
|---|
| Hiking & Exploring Hopeton Earthworks | Hopewell Culture National Historical Park | 60-180 Minutes | Year-round | — |
|---|
| Hiking & Exploring Hopewell Mound Group | Hopewell Culture National Historical Park | 45-180 Minutes | Year-round | — |
|---|
| Hiking along the Arkansas River | Bent's Old Fort National Historic Site | 30-90 Minutes | Year-round | Fee |
|---|
| Hiking at Amistad | Amistad National Recreation Area | — | Year-round | — |
|---|
| Hiking at Appomattox Court House | Appomattox Court House National Historical Park | 10-240 Minutes | — | — |
|---|
| Hiking at Arches | Arches National Park | — | — | — |
|---|
| Hiking at Canyonlands | Canyonlands National Park | — | — | — |
|---|
| Hiking at Fort Pulaski | Fort Pulaski National Monument | — | Year-round | Fee |
|---|
| Hiking at Marsh-Billings-Rockefeller | Marsh - Billings - Rockefeller National Historical Park | — | Year-round | — |
|---|
| Hiking at Oxon Cove Park | National Capital Parks-East, Oxon Cove Park & Oxon Hill Farm, Potomac Heritage National Scenic Trail | 30-120 Minutes | Year-round | — |
|---|
| Hiking at Scott's Run Nature Preserve | Potomac Heritage National Scenic Trail | 45-120 Minutes | Year-round | — |
|---|
| Hiking at Wind Cave | Wind Cave National Park | — | Year-round | — |
|---|
| Hiking Badlands Back Roads With Your Dog | Badlands National Park | — | Winter, Spring, Fall | Fee |
|---|
| Hiking from Devils Kitchen Picnic Area | Colorado National Monument | 1-8 Hours | Year-round | — |
|---|
| Hiking from Saddlehorn Visitor Center | Colorado National Monument | 1-8 Hours | Spring, Summer, Fall | — |
|---|
| Hiking Glorieta Pass Battlefield | Pecos National Historical Park | 90-150 Minutes | Year-round | — |
|---|
| Hiking in Colorado National Monument | Colorado National Monument | 15-360 Minutes | Year-round | Fee |
|---|
| Hiking in the North Unit | Theodore Roosevelt National Park | — | Year-round | — |
|---|
| Hiking in the South Unit | Theodore Roosevelt National Park | — | Year-round | — |
|---|
| Hiking in Valles Caldera | Valles Caldera National Preserve | — | Year-round | Fee |
|---|
| Hiking in Yosemite | Yosemite National Park | — | — | — |
|---|
| Hiking Indiana Dunes | Indiana Dunes National Park | — | — | Fee |
|---|
| Hiking into History | Keweenaw National Historical Park | — | Spring, Summer, Fall | Fee |
|---|
| Hiking the Ancestral Sites Trail | Pecos National Historical Park | 40-90 Minutes | Year-round | — |
|---|
| Hiking the Badlands | Badlands National Park | 1-5 Hours | Year-round | — |
|---|
| Hiking the Battlefield Trail | Palo Alto Battlefield National Historical Park | 45-90 Minutes | Year-round | — |
|---|
| Hiking The Blackberry Trail | Mount Rushmore National Memorial | 30-60 Minutes | Year-round | — |
|---|
| Hiking the Blackland Prairie Section of the Natchez Trace National Scenic Trail | Natchez Trace Parkway, Natchez Trace National Scenic Trail | 1-6 Hours | Year-round | — |
|---|
| Hiking the Dancing Marsh Loop Trail | George Washington Birthplace National Monument | 30-45 Minutes | Year-round | — |
|---|
| Hiking the Headland Trail | El Morro National Monument | 60-150 Minutes | Year-round | — |
|---|
| Hiking the Highland Rim Section of the Natchez Trace National Scenic Trail | Natchez Trace Parkway, Natchez Trace National Scenic Trail | 1-10 Hours | Year-round | — |
|---|
| Hiking the Nature Trail | George Washington Birthplace National Monument | 30-50 Minutes | Year-round | — |
|---|
| Hiking the Potkopinu Section of the Natchez Trace National Scenic Trail | Natchez Trace Parkway, Natchez Trace National Scenic Trail | 1-6 Hours | Year-round | — |
|---|
| Hiking the Yockanookany Section of the Natchez Trace National Scenic Trail | Natchez Trace Parkway, Natchez Trace National Scenic Trail | 1-15 Hours | Year-round | — |
|---|
| Hiking Trails | Jewel Cave National Monument | — | Year-round | — |
|---|
| Hiking with a Group | Guadalupe Mountains National Park | 1-10 Hours | Year-round | Fee |
|---|
| Hiking with Traction Devices | Rocky Mountain National Park | — | — | — |
|---|
| Hiking/Visiting with Pets | Death Valley National Park | — | Winter, Spring, Fall | Fee |
|---|
| Historic Area | Jewel Cave National Monument | — | Year-round | — |
|---|
| Historic Quarry Trail | Fossil Butte National Monument | 1-2 Hours | Year-round | — |
|---|
| Hitchiti Village Site Trail | Ocmulgee Mounds National Historical Park | 5-15 Minutes | Year-round | — |
|---|
| Hōlei Sea Arch | Hawaiʻi Volcanoes National Park | 20-30 Minutes | — | — |
|---|
| Holly Lake | Grand Teton National Park | 7-9 Hours | Summer, Fall | — |
|---|
| Honey Locust Trail | Waco Mammoth National Monument | — | Year-round | — |
|---|
| Honeysuckle Trail | Hot Springs National Park | 20-45 Minutes | Year-round | — |
|---|
| Horseback Riding in the Badlands | Badlands National Park | — | Year-round | — |
|---|
| Hot Springs Mountain Trail | Hot Springs National Park | 45-75 Minutes | Year-round | — |
|---|
| Howard Eaton Trail (Canyon Area) | Yellowstone National Park | 5-6 Hours | Summer, Fall | — |
|---|
| Howard Eaton Trail (Old Faithful Area) | Yellowstone National Park | 3-5 Hours | Winter, Summer, Fall | — |
|---|
| Hudson River Art Trail | Thomas Cole National Historic Site, Vanderbilt Mansion National Historic Site | — | — | — |
|---|
| Hunter Peak | Guadalupe Mountains National Park | 6-8 Hours | Year-round | Fee |
|---|
| Hurricane Pass | Grand Teton National Park | 12-16 Hours | Summer, Fall | — |
|---|
| Indian Meadow Nature Trail | Guadalupe Mountains National Park | 30-45 Minutes | Year-round | Fee |
|---|
| Inspiration Point | Grand Teton National Park | 2-4 Hours | Spring, Summer, Fall | — |
|---|
| Inspiration Point Trail | Chiricahua National Park | 3-4 Hours | Year-round | — |
|---|
| Jenny Lake Loop | Grand Teton National Park | 3-5 Hours | Spring, Summer, Fall | — |
|---|
| Johnny Horn Trail | Virgin Islands National Park | 2-4 Hours | Year-round | Reservation |
|---|
| Jones Run Falls | Shenandoah National Park | 2-3 Hours | Year-round | — |
|---|
| Juniper Ridge Trail | Carlsbad Caverns National Park | 3 Hours | Year-round | — |
|---|
| Jusserand Memorial Loop | Rock Creek Park | — | Year-round | — |
|---|
| Kayenta Trail | Zion National Park | 2-3 Hours | Year-round | — |
|---|
| Keanakākoʻi | Hawaiʻi Volcanoes National Park | 1-2 Hours | — | — |
|---|
| Kid-Friendly Hikes at Mount Rainier | Mount Rainier National Park | 20-90 Minutes | Summer | Fee |
|---|
| Kīlauea Iki Trail | Hawaiʻi Volcanoes National Park | 2-4 Hours | — | — |
|---|
| Kīpukapuaulu Trail | Hawaiʻi Volcanoes National Park | 60-90 Minutes | — | — |
|---|
| Knob Mountain - Jeremys Run | Shenandoah National Park | 7-8 Hours | Year-round | — |
|---|
| Kūpinaʻi Pali (Waldron Ledge) | Hawaiʻi Volcanoes National Park | 45-60 Minutes | Year-round | — |
|---|
| Kwis Kwis Trail | Lewis and Clark National Historical Park | 1-5 Hours | Year-round | Fee |
|---|
| L'Esperance Trail | Virgin Islands National Park | 2-4 Hours | Year-round | — |
|---|
| La Verkin Creek Trail to Kolob Arch | Zion National Park | 7-9 Hours | Year-round | — |
|---|
| Lake Creek - Woodland Trail Loop | Grand Teton National Park | 1-3 Hours | Spring, Summer, Fall | — |
|---|
| Lake Solitude | Grand Teton National Park | 9-13 Hours | Summer, Fall | — |
|---|
| Lakeshore Trail | Grand Teton National Park | 1-2 Hours | Spring, Summer, Fall | — |
|---|
| Lands Run Falls | Shenandoah National Park | 1-2 Hours | Year-round | — |
|---|
| Lava Creek Trail | Yellowstone National Park | 2-3 Hours | Year-round | — |
|---|
| Leave No Trace | Guadalupe Mountains National Park | — | Year-round | Fee |
|---|
| Leigh Lake | Grand Teton National Park | 1-2 Hours | Spring, Summer, Fall | — |
|---|
| Levee Trail Adventure | Ste. Geneviève National Historical Park | — | Year-round | — |
|---|
| Level 1 Trails at Fort Vancouver National Historic Site | Fort Vancouver National Historic Site | 0-40 Minutes | Year-round | — |
|---|
| Level 2 Trails at Fort Vancouver National Historic Site | Fort Vancouver National Historic Site | 25-30 Minutes | Year-round | — |
|---|
| Level 3 Trails at Fort Vancouver National Historic Site | Fort Vancouver National Historic Site | 15-90 Minutes | Year-round | — |
|---|
| Lewis Falls Trail | Shenandoah National Park | 4-5 Hours | Year-round | — |
|---|
| Lewis River Channel/Dogshead Trail | Yellowstone National Park | 5-8 Hours | Summer, Fall | — |
|---|
| Limberlost | Shenandoah National Park | 1-2 Hours | Year-round | — |
|---|
| List of Hiking Trails in Big Bend | Big Bend National Park | — | — | — |
|---|
| Little Devils Stairs Loop | Shenandoah National Park | 8-9 Hours | Year-round | — |
|---|
| Lone Star Geyser Trail | Yellowstone National Park | 2-3 Hours | Winter, Summer, Fall | — |
|---|
| Long Loop: Stone Family Cemetery | Thomas Stone National Historic Site | 60-90 Minutes | Spring, Summer, Fall | — |
|---|
| Long Loop: Stone Mansion | Thomas Stone National Historic Site | 50-90 Minutes | Spring, Summer, Fall | — |
|---|
| Los Alamos: Hike Acid Canyon Trail | Manhattan Project National Historical Park | 30-90 Minutes | Year-round | — |
|---|
| Los Alamos: Hike Kwage Mesa | Manhattan Project National Historical Park | 2-4 Hours | Year-round | — |
|---|
| Lost Lake Trail | Yellowstone National Park | 1-2 Hours | Year-round | — |
|---|
| Lost Peak Saddle | Guadalupe Mountains National Park | 3-6 Hours | Winter, Spring, Fall | Fee |
|---|
| Lower Dogwood Trail | Hot Springs National Park | 15-40 Minutes | Year-round | — |
|---|
| Lower Emerald Pool Trail | Zion National Park | 1-2 Hours | Year-round | — |
|---|
| Lower Rattlesnake Canyon Trail | Carlsbad Caverns National Park | 3 Hours | Year-round | — |
|---|
| Lower Rhyolite Canyon Trail | Chiricahua National Park | — | Year-round | — |
|---|
| Lower Sauma Ridge Trail | National Park of American Samoa | — | — | — |
|---|
| Lunch Tree Hill | Grand Teton National Park | 20-45 Minutes | Spring, Summer, Fall | — |
|---|
| Main Trail | Ocmulgee Mounds National Historical Park | 30-90 Minutes | Year-round | — |
|---|
| Mallard Lake Trail | Yellowstone National Park | 3-6 Hours | Winter, Summer, Fall | — |
|---|
| Mammoth Hot Springs Trails | Yellowstone National Park | 30-90 Minutes | Year-round | — |
|---|
| Mammoth Trail | Waco Mammoth National Monument | — | Year-round | — |
|---|
| Manzanita Spring | Guadalupe Mountains National Park | 20-30 Minutes | Year-round | Fee |
|---|
| Marcus Overlook | Guadalupe Mountains National Park | 3-5 Hours | Winter, Spring, Fall | Fee |
|---|
| Marion Lake | Grand Teton National Park | 9-13 Hours | Summer, Fall | — |
|---|
| Marys Rock From Meadow Spring | Shenandoah National Park | 2-3 Hours | Year-round | — |
|---|
| Marys Rock Summit | Shenandoah National Park | 3-4 Hours | Year-round | — |
|---|
| Massai Point Nature Trail | Chiricahua National Park | 30 Minutes | Year-round | — |
|---|
| Matthews Hill Loop Trail | Manassas National Battlefield Park | 30-90 Minutes | Year-round | — |
|---|
| Maunaulu via Nāpau Trail | Hawaiʻi Volcanoes National Park | 1-2 Hours | — | — |
|---|
| McDougal Trail | Ocmulgee Mounds National Historical Park | 15-45 Minutes | Year-round | — |
|---|
| McKittrick Canyon Nature Trail | Guadalupe Mountains National Park | 30-60 Minutes | Year-round | Fee |
|---|
| McKittrick Canyon to Dog Canyon | Guadalupe Mountains National Park | 8-12 Hours | Year-round | Fee |
|---|
| McKittrick Ridge | Guadalupe Mountains National Park | 8-12 Hours | Year-round | Fee |
|---|
| Middle Emerald Pools Trail | Zion National Park | 1-2 Hours | Year-round | — |
|---|
| Milkhouse Ford Hike | Rock Creek Park | — | Year-round | — |
|---|
| Mill Prong - Laurel Prong Loop | Shenandoah National Park | 7-8 Hours | Year-round | — |
|---|
| Millers Head | Shenandoah National Park | 2-3 Hours | Year-round | — |
|---|
| Mishe Mokwa Trail to Split Rock | Santa Monica Mountains National Recreation Area | 1-3 Hours | Year-round | — |
|---|
| Mist Falls | Sequoia & Kings Canyon National Parks | — | — | — |
|---|
| Moderate Hike into Haleakalā's Crater | Haleakalā National Park | 1-2 Hours | Year-round | — |
|---|
| Moderate Hike to the Crater Edge | Haleakalā National Park | 1-2 Hours | Year-round | — |
|---|
| Moderate Hike up to the Bamboo Forest | Haleakalā National Park | 1 Hour | Year-round | — |
|---|
| Monarch Lake | Sequoia & Kings Canyon National Parks | — | — | — |
|---|
| Monument Canyon Loop Hike | Colorado National Monument | 4-6 Hours | Year-round | — |
|---|
| Moose Ponds | Grand Teton National Park | 1-3 Hours | Year-round | — |
|---|
| Moro Rock | Sequoia & Kings Canyon National Parks | 30-120 Minutes | Spring, Summer, Fall | — |
|---|
| Mount Alava Trail | National Park of American Samoa | — | — | — |
|---|
| Mount Rainier: Off the Beaten Path | Mount Rainier National Park | 4-8 Hours | Spring, Summer, Fall | Fee |
|---|
| Mount Wanda Hiking Trail | John Muir National Historic Site | 1-2 Hours | Year-round | — |
|---|
| Mount Washburn Spur Trail | Yellowstone National Park | 8-10 Hours | Summer, Fall | — |
|---|
| Mountain Top Trail | Hot Springs National Park | 45-75 Minutes | Year-round | — |
|---|
| Mud Volcano Trail | Yellowstone National Park | 1-2 Hours | Year-round | — |
|---|
| Multi-Park Loop | Appalachian National Scenic Trail, Captain John Smith Chesapeake National Historic Trail, Chesapeake & Ohio Canal National Historical Park, George Washington Memorial Parkway, National Mall and Memorial Parks, Potomac Heritage National Scenic Trail, Rock Creek Park, Star-Spangled Banner National Historic Trail, Theodore Roosevelt Island, Washington-Rochambeau Revolutionary Route National Historic Trail, World War II Memorial | — | Year-round | — |
|---|
| Murie Ranch Hike | Grand Teton National Park | 30-60 Minutes | Spring, Summer, Fall | — |
|---|
| Mystic Falls Trail | Yellowstone National Park | 2-4 Hours | Winter, Summer, Fall | — |
|---|
| Nāhuku Lava Tube Trail | Hawaiʻi Volcanoes National Park | 30-90 Minutes | — | — |
|---|
| Natural Bridge Trail | Yellowstone National Park | 1-2 Hours | Summer, Fall | — |
|---|
| Netul River Trail | Lewis & Clark National Historic Trail, Lewis and Clark National Historical Park | 20-60 Minutes | Year-round | Fee |
|---|
| Nicholson Hollow | Shenandoah National Park | 6-7 Hours | Year-round | — |
|---|
| Oak Ridge: Explore Local Greenways | Manhattan Project National Historical Park | 1-5 Hours | Year-round | — |
|---|
| Oak Trail | Hot Springs National Park | 25-45 Minutes | Year-round | — |
|---|
| Observation Peak Trail | Yellowstone National Park | 5-6 Hours | Summer, Fall | — |
|---|
| Observation Point Trail | Yellowstone National Park | 1-3 Hours | Year-round | — |
|---|
| Oceanside Trail | Cabrillo National Monument | 45-60 Minutes | — | — |
|---|
| Ocmulgee River Trail | Ocmulgee Mounds National Historical Park | 30-60 Minutes | Year-round | — |
|---|
| Oertel Trail | Hot Springs National Park | 30-60 Minutes | Year-round | — |
|---|
| Ohanapecosh Area Activities | Mount Rainier National Park | 2-8 Hours | Summer, Fall | Fee |
|---|
| Old Guano Trail | Carlsbad Caverns National Park | 2 Hours | Year-round | — |
|---|
| Old Rag Circuit | Shenandoah National Park | 7-8 Hours | Year-round | Reservation, Fee |
|---|
| Old Rag Summit via Berry Hollow | Shenandoah National Park | 6-7 Hours | Year-round | Reservation, Fee |
|---|
| Opelofa Loop Trail | Ocmulgee Mounds National Historical Park | 15-30 Minutes | Year-round | — |
|---|
| Opelofa Trail | Ocmulgee Mounds National Historical Park | 20-60 Minutes | Year-round | — |
|---|
| Open Canyon | Grand Teton National Park | 7-14 Hours | Summer, Fall | — |
|---|
| Osprey Falls Trail | Yellowstone National Park | 4-6 Hours | Summer, Fall | — |
|---|
| Overall Run Falls | Shenandoah National Park | 4-5 Hours | Year-round | — |
|---|
| Overlook Trail at Knob Creek | Abraham Lincoln Birthplace National Historical Park | 2-3 Hours | — | — |
|---|
| Pa'rus Trail | Zion National Park | 30-120 Minutes | Year-round | — |
|---|
| Paintbrush Canyon - Cascade Canyon Loop | Grand Teton National Park | 11-14 Hours | Summer, Fall | — |
|---|
| Panoramic Point | Sequoia & Kings Canyon National Parks | — | — | — |
|---|
| Paradise Creek | Sequoia & Kings Canyon National Parks | 1-2 Hours | Year-round | — |
|---|
| Pass Mountain Loop | Shenandoah National Park | 2-3 Hours | Year-round | — |
|---|
| Paws in the Park | Ozark National Scenic Riverways | — | Year-round | Reservation |
|---|
| Peak Trail | Hot Springs National Park | 40 Minutes | Year-round | — |
|---|
| Pelican Creek Nature Trail | Yellowstone National Park | 30-60 Minutes | Summer, Fall | — |
|---|
| Pelican Valley Trail | Yellowstone National Park | 3-4 Hours | Summer, Fall | — |
|---|
| Permian Reef Trail | Guadalupe Mountains National Park | 5-7 Hours | Winter, Spring, Fall | Fee |
|---|
| Pets | Fort Donelson National Battlefield | 60-180 Minutes | — | Reservation |
|---|
| Phelps Lake | Grand Teton National Park | 1-3 Hours | Summer, Fall | — |
|---|
| Phelps Lake Loop | Grand Teton National Park | 3-5 Hours | Spring, Summer, Fall | — |
|---|
| Phelps Lake Overlook | Grand Teton National Park | 1-2 Hours | Spring, Summer, Fall | — |
|---|
| Picture This | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| Pine Springs to McKittrick Canyon | Guadalupe Mountains National Park | 12-16 Hours | Year-round | Fee |
|---|
| Pinery Trail | Guadalupe Mountains National Park | 20-30 Minutes | Year-round | Fee |
|---|
| Piti Guns Hike | War In The Pacific National Historical Park | 20-30 Minutes | Year-round | — |
|---|
| Pola Island Trail | National Park of American Samoa | — | — | — |
|---|
| Polecat Creek Loop | Grand Teton National Park | 1-2 Hours | Spring, Summer, Fall | — |
|---|
| Power Walks | Blackstone River Valley National Historical Park | — | Spring | — |
|---|
| Pratt Cabin | Guadalupe Mountains National Park | 2-4 Hours | Year-round | Fee |
|---|
| Puʻuloa Petroglyphs Trail | Hawaiʻi Volcanoes National Park | 60-90 Minutes | Year-round | — |
|---|
| Pullman Trail | Hot Springs National Park | 25-45 Minutes | Year-round | — |
|---|
| Pulltite Nature Trail | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| Purple Mountain Trail | Yellowstone National Park | 3-5 Hours | Summer, Fall | — |
|---|
| Rainy Lake Recreation Trail | Voyageurs National Park | 1-2 Hours | Year-round | — |
|---|
| Rapidan Camp | Shenandoah National Park | 2-3 Hours | Year-round | — |
|---|
| Rapids Bridge Hike | Rock Creek Park | — | Year-round | — |
|---|
| Reach New Elevations | Ozark National Scenic Riverways | — | Year-round | Reservation, Fee |
|---|
| Refresh at Big Spring | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| Rescue Creek Trail | Yellowstone National Park | 4-6 Hours | Year-round | — |
|---|
| Reserve Trail | Hot Springs National Park | 10-25 Minutes | Year-round | — |
|---|
| Revisit the Past | Ste. Geneviève National Historical Park | — | Year-round | — |
|---|
| Ribbon Lake Trail | Yellowstone National Park | 3-4 Hours | Summer, Fall | — |
|---|
| Riddle Lake Trail | Yellowstone National Park | 2-4 Hours | Summer, Fall | — |
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| Riprap - Wildcat Ridge | Shenandoah National Park | 8-9 Hours | Year-round | — |
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| Riverside Walk | Zion National Park | 1-2 Hours | Year-round | — |
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| Road's End | Sequoia & Kings Canyon National Parks | — | — | — |
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| Roaring River Falls | Sequoia & Kings Canyon National Parks | — | — | — |
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| Rose River Falls | Shenandoah National Park | 4-5 Hours | Year-round | — |
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| Round Spring Loop Trail | Ozark National Scenic Riverways | — | Year-round | — |
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| Round Spring Trail | Ozark National Scenic Riverways | — | Year-round | — |
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| Rubey Point Trail | Fossil Butte National Monument | 2-3 Hours | Summer | — |
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| Running in Death Valley | Death Valley National Park | — | Winter, Spring, Fall | Fee |
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| Salt Basin Dunes Trail | Guadalupe Mountains National Park | 1-3 Hours | Winter, Spring, Fall | Fee |
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| Salt Pond Bay and Ram Head Trails | Virgin Islands National Park | 5-20 Minutes | — | — |
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| Sand Bench | Zion National Park | 1-4 Hours | Year-round | — |
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| Satwiwa Loop Trail | Santa Monica Mountains National Recreation Area | 1-2 Hours | Year-round | — |
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| Search and Rescue Policy | Guadalupe Mountains National Park | — | — | Fee |
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| Second Manassas Trail | Manassas National Battlefield Park | 3-4 Hours | Year-round | — |
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| See Endangered Pupfish Along the Visitor Center Nature Trail | Organ Pipe Cactus National Monument | 15-30 Minutes | Year-round | — |
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| See the Rhododendrons Bloom at Craggy Gardens | Blue Ridge Parkway | 1-4 Hours | Spring, Summer | — |
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| See the Rio Grande | Big Bend National Park, Rio Grande Wild & Scenic River | — | Year-round | — |
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| Sentinel Meadows & Queen’s Laundry Trail | Yellowstone National Park | 2-4 Hours | Winter, Summer, Fall | — |
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| Sepulcher Mountain Trail | Yellowstone National Park | 6-8 Hours | Summer, Fall | — |
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| Sequoia Historic Entrance Sign | Sequoia & Kings Canyon National Parks | 1-15 Minutes | — | — |
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| Serenity at Alley Spring | Ozark National Scenic Riverways | — | — | — |
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| Seven Mile Hole Trail | Yellowstone National Park | 5-8 Hours | Summer, Fall | — |
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| Short Cut Trail | Hot Springs National Park | 10-25 Minutes | Year-round | — |
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| Short Hike to Leleiwi Overlook | Haleakalā National Park | 30-60 Minutes | Year-round | — |
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| Short Hike to Makahiku Falls | Haleakalā National Park | 1 Hour | Year-round | — |
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| Short Hikes in the Monument | Colorado National Monument | 20-60 Minutes | Year-round | Fee |
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| Short Loop: Stone Family Cemetery | Thomas Stone National Historic Site | 10-15 Minutes | Spring, Summer, Fall | — |
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| Short Loop: Stone Mansion | Thomas Stone National Historic Site | 30-60 Minutes | Spring, Summer, Fall | — |
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| Short Towpath Trail Walks | Cuyahoga Valley National Park | 30-60 Minutes | Year-round | — |
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| Signal Mountain Trail | Grand Teton National Park | 3-5 Hours | Summer, Fall | — |
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| Silver Spur Meadow Trail | Chiricahua National Park | 45-90 Minutes | Year-round | — |
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| Slaughter Canyon Cave Trail | Carlsbad Caverns National Park | 90 Minutes | Year-round | — |
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| Slaughter Canyon Trail | Carlsbad Caverns National Park | 7 Hours | Year-round | — |
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| Slough Creek Trail | Yellowstone National Park | 2-5 Hours | Summer, Fall | — |
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| Smith Spring Trail Loop | Guadalupe Mountains National Park | 1-2 Hours | Year-round | Fee |
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| Snead Farm Loop | Shenandoah National Park | 2-3 Hours | Year-round | — |
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| Soak Up Spectacular Views at the Great Falls Overlooks | Great Falls Park, Potomac Heritage National Scenic Trail | 1-2 Hours | Year-round | Fee |
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| Solstice Canyon Trail | Santa Monica Mountains National Recreation Area | 2-3 Hours | Year-round | — |
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| South River Falls | Shenandoah National Park | 2-3 Hours | Year-round | — |
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| South River Falls Observation Point | Shenandoah National Park | 1-2 Hours | Year-round | — |
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| South Slough Trail | Lewis & Clark National Historic Trail, Lewis and Clark National Historical Park | 1-3 Hours | Year-round | Fee |
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| Southeast Mound Trail | Ocmulgee Mounds National Historical Park | 5-10 Minutes | Year-round | — |
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| Specimen Ridge Day Hike Trail | Yellowstone National Park | 2-4 Hours | Summer, Fall | — |
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| Spring Ephemeral Hike | Rock Creek Park | 45-120 Minutes | Year-round | — |
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| Spring Recreation | Mount Rainier National Park | — | Spring | — |
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| Static Peak Divide Trail | Grand Teton National Park | 9-11 Hours | Summer, Fall | — |
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| Step Back in Time at Jefferson Rock | Harpers Ferry National Historical Park | 1-2 Hours | Year-round | Fee |
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| Stone Bridge Loop Trail | Manassas National Battlefield Park | 45-60 Minutes | Year-round | — |
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| Stony Man | Shenandoah National Park | 1-2 Hours | Year-round | — |
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| Storm Point Trail | Yellowstone National Park | 1-2 Hours | Summer, Fall | — |
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| Story of the Forest | Shenandoah National Park | 1-2 Hours | Year-round | — |
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| Strenuous Hike Across the Crater Floor | Haleakalā National Park | 7-9 Hours | Year-round | — |
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| Stretch Your Legs on the Campground Perimeter Trail | Organ Pipe Cactus National Monument | 30 Minutes | Year-round | Fee |
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| String Lake | Grand Teton National Park | 2-3 Hours | Spring, Summer, Fall | — |
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| Stroll the Simpson-Reed Trail | Redwood National and State Parks | 30-60 Minutes | Year-round | — |
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| Stroll to the Big Tree Wayside | Redwood National and State Parks | 10-30 Minutes | Year-round | — |
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| Sudley Loop Trail | Manassas National Battlefield Park | 15-60 Minutes | Year-round | — |
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| Sugarloaf Loop | Shenandoah National Park | 6-7 Hours | Year-round | — |
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| Sugarloaf Mountain Trail | Chiricahua National Park | 1-2 Hours | Year-round | — |
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| Sunset Trail | Hot Springs National Park | 6-9 Hours | Year-round | — |
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| Surprise and Amphitheater Lakes | Grand Teton National Park | 5-7 Hours | Summer, Fall | — |
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| Susie Nichols Cabin Trail | Ozark National Scenic Riverways | — | Year-round | — |
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| Taggart Lake | Grand Teton National Park | 1-2 Hours | Year-round | — |
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| Taggart Lake - Beaver Creek Loop | Grand Teton National Park | 2-3 Hours | Year-round | — |
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| Taggart Lake - Bradley Lake Loop | Grand Teton National Park | 2-3 Hours | Year-round | — |
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| Take a Full Day Hike in Glacier | Glacier National Park | 5-12 Hours | Spring, Summer, Fall | — |
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| Take a Half-Day Hike in Glacier | Glacier National Park | 3-5 Hours | Spring, Summer, Fall | — |
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| Take a hike on the Jack-O-Lantern Branch Trail | Booker T. Washington National Monument | 45-90 Minutes | Year-round | — |
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| Take a Hike on the Russell Cave Nature Trail | Russell Cave National Monument | 30-60 Minutes | Year-round | — |
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| Take a Lava Hike! | Ala Kahakai National Historic Trail, Kaloko-Honokōhau National Historical Park | 1-2 Hours | Year-round | — |
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| Take a Short Hike to Buena Vista Peak | Sequoia & Kings Canyon National Parks | 1-2 Hours | Summer, Fall | — |
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| Take a Tour of the Historic Core on the Plantation Trail | Booker T. Washington National Monument | 30-60 Minutes | Year-round | — |
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| Take a walk through time to the bank of the Potomac River | Potomac Heritage National Scenic Trail | 1-3 Hours | Year-round | — |
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| Take the Totem Trail | Sitka National Historical Park | 30-90 Minutes | Year-round | — |
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| Taylor Creek Trail | Zion National Park | 3-4 Hours | Year-round | — |
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| Tejas Thru Hike | Guadalupe Mountains National Park | 7-9 Hours | Year-round | Fee |
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| Tektite Trail | Virgin Islands National Park | 20-60 Minutes | — | — |
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| Teutonia Peak trail | Mojave National Preserve | 0-3 Hours | Year-round | — |
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| The Big Loop | Chiricahua National Park | 4-7 Hours | Year-round | — |
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| The General Sherman Tree | Sequoia & Kings Canyon National Parks | — | Year-round | — |
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| The Grotto and Hunter Line Shack | Guadalupe Mountains National Park | 3-5 Hours | Year-round | Fee |
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| The Narrows | Zion National Park | 1-8 Hours | Year-round | — |
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| The Notch | Guadalupe Mountains National Park | 5-7 Hours | Year-round | Fee |
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| The Park Prescription Program at Fort Vancouver | Fort Vancouver National Historic Site | 15-90 Minutes | Year-round | — |
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| The Skew Arch Bridge | Allegheny Portage Railroad National Historic Site | — | Year-round | — |
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| The Union Advance Trail at Antietam | Antietam National Battlefield | 30-90 Minutes | Year-round | Fee |
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| Timber Creek Overlook | Zion National Park | 30-60 Minutes | Year-round | — |
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| Top Cottage Trail | Eleanor Roosevelt National Historic Site, Home Of Franklin D Roosevelt National Historic Site | 1-2 Hours | Year-round | — |
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| Traces Trail | Shenandoah National Park | 1-2 Hours | Year-round | — |
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| Trail run at Endless Wall | New River Gorge National Park & Preserve | 60-120 Minutes | Year-round | — |
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| Trail Run Grandview Rim Trail | New River Gorge National Park & Preserve | — | — | — |
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| Trail Run or hike the Little Laurel Trail | New River Gorge National Park & Preserve | 30-120 Minutes | Year-round | — |
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| Trail to Natural Bridge | Chiricahua National Park | 3-4 Hours | Year-round | — |
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| Trail use at Chamizal National Memorial | Chamizal National Memorial | — | — | — |
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| Travel the Pathway of a President | Abraham Lincoln Birthplace National Historical Park | 10 Minutes | Year-round | — |
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| Traverse the Lava Falls Trail | El Malpais National Monument | 1-2 Hours | Year-round | — |
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| Trout Lake Trail | Yellowstone National Park | 1-2 Hours | Year-round | — |
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| Tuafanua Trail | National Park of American Samoa | — | — | — |
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| Tufa Terrace Trail | Hot Springs National Park | 15-30 Minutes | Year-round | — |
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| Turk Mountain | Shenandoah National Park | 2-3 Hours | Year-round | — |
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| Two Ocean Lake | Grand Teton National Park | 3-5 Hours | Summer, Fall | — |
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| Two Ocean Lake - Emma Matilda Lake Loop | Grand Teton National Park | 7-9 Hours | Summer, Fall | — |
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| Unearth Dripping Springs Mine | Organ Pipe Cactus National Monument | 2-3 Hours | — | Reservation, Fee |
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| Unfinished Railroad Loop Trail | Manassas National Battlefield Park | 60-75 Minutes | Year-round | — |
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| Upper Dogwood Trail | Hot Springs National Park | 25-45 Minutes | Year-round | — |
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| Upper Emerald Pools Trail | Zion National Park | 1-2 Hours | Year-round | — |
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| Upper Rattlesnake Canyon Loop Trail | Carlsbad Caverns National Park | 4 Hours | Year-round | — |
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| Upper Sauma Ridge Trail | National Park of American Samoa | — | — | — |
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| Valley Quests at Marsh-Billings-Rockefeller National Historical Park | Marsh - Billings - Rockefeller National Historical Park | 1-3 Hours | Spring, Summer, Fall | — |
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| Valley Trail - Phelps Lake Overlook | Grand Teton National Park | 7-9 Hours | Spring, Summer, Fall | — |
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| Vanderbilt Riverfront Trail | Vanderbilt Mansion National Historic Site | 2-3 Hours | Year-round | — |
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| View Montezuma Castle | Montezuma Castle National Monument | 30-45 Minutes | Year-round | Fee |
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| View Sunset from Sunset Rock | Sequoia & Kings Canyon National Parks | 1-2 Hours | Summer, Fall | — |
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| Virtual Summit Log | Guadalupe Mountains National Park | — | Year-round | Fee |
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| Visit a Lava Tube | Mojave National Preserve | 0-30 Minutes | Year-round | — |
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| Visit a Mainland Park | Boston Harbor Islands National Recreation Area | — | Year-round | — |
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| Visit Eel Creek and Cold Spring Harbor | Sagamore Hill National Historic Site | 60-120 Minutes | Year-round | — |
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| Visit Kahuku: Forested Pit Crater | Hawaiʻi Volcanoes National Park | 3-6 Hours | — | — |
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| Visit Kahuku: Glover Trail | Hawaiʻi Volcanoes National Park | 3-5 Hours | — | — |
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| Visit Kahuku: Kamakapaʻa Trail | Hawaiʻi Volcanoes National Park | 20-30 Minutes | — | — |
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| Visit Kahuku: Kona Trail | Hawaiʻi Volcanoes National Park | 3-5 Hours | — | — |
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| Visit Kahuku: Palm Trail | Hawaiʻi Volcanoes National Park | 1-2 Hours | — | — |
|---|
| Visit Kahuku: Puʻu o Lokuana | Hawaiʻi Volcanoes National Park | 30-120 Minutes | — | — |
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| Visit Mulberry Bend Overlook | Missouri National Recreational River | — | Year-round | — |
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| Visit One of the Boston Harbor Islands | Boston Harbor Islands National Recreation Area | — | Spring, Summer, Fall | — |
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| Visit the Elkhorn Ranch Unit | Theodore Roosevelt National Park | 3-6 Hours | Year-round | — |
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| Visit the Fort Vancouver Village | Fort Vancouver National Historic Site | 30-60 Minutes | Year-round | — |
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| Visit the Holzwarth Historic Site | Rocky Mountain National Park | — | — | Reservation |
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| Visit the Spatter Cones | Craters Of The Moon National Monument & Preserve | 10-15 Minutes | Spring, Summer, Fall | — |
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| Visit the White River Visitor Center | Badlands National Park | 15-60 Minutes | Spring, Summer, Fall | — |
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| Visit Tuzigoot Pueblo | Tuzigoot National Monument | 30-45 Minutes | Year-round | Fee |
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| Visit Wind Cave's Natural Entrance | Wind Cave National Park | 10-20 Minutes | Year-round | — |
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| Visiting with Pets | George Washington Birthplace National Monument | — | Year-round | — |
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| Walk Cable Mill Area Trails | Great Smoky Mountains National Park | — | — | Fee |
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| Walk Manzanita Lake Trail | Lassen Volcanic National Park | 30-90 Minutes | Year-round | — |
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| Walk Nature Trails at Homestead | Homestead National Historical Park | — | Year-round | — |
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| Walk on the Pony Express Trail | Pony Express National Historic Trail | — | — | — |
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| Walk or Run the Joseph Plumb Martin Trail | Valley Forge National Historical Park | — | Year-round | — |
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| Walk Sugarlands Valley Nature Trail | Great Smoky Mountains National Park | — | — | Fee |
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| Walk the Canyon Nature Trail | Timpanogos Cave National Monument | 30-60 Minutes | Year-round | — |
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| Walk the Cross Marin Trail | Golden Gate National Recreation Area, Point Reyes National Seashore | 1-5 Hours | Year-round | — |
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| Walk the Earthquake Trail | Point Reyes National Seashore | 15-40 Minutes | Year-round | — |
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| Walk the Elephant Seal Overlook Trail | Point Reyes National Seashore | 15-60 Minutes | Year-round | — |
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| Walk the Fern Canyon Loop Trail | Redwood National and State Parks | 45-90 Minutes | Year-round | Reservation, Fee |
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| Walk the Karl Knapp (Prairie Creek) to Foothill Trail Loop | Redwood National and State Parks | 1-2 Hours | Year-round | — |
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| Walk the Kule Loklo Trail | Point Reyes National Seashore | 20-60 Minutes | Year-round | — |
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| Walk the Lady Bird Johnson Grove | Redwood National and State Parks | 45-60 Minutes | Year-round | — |
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| Walk the Mohawk River or the Erie Canal | Fort Stanwix National Monument | 30-180 Minutes | Year-round | — |
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| Walk the Nature Trails | Herbert Hoover National Historic Site | 30-60 Minutes | Year-round | — |
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| Walk the Presidential Trail | Mount Rushmore National Memorial | 20-45 Minutes | Spring, Summer, Fall | — |
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| Walk the Rim Trail | Bryce Canyon National Park | 1-6 Hours | Year-round | Fee |
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| Walk the Seawall Trail | Fort McHenry National Monument and Historic Shrine | — | Year-round | — |
|---|
| Walk the Stout Memorial Grove Trail | Redwood National and State Parks | 1-2 Hours | Year-round | — |
|---|
| Walk the Trails at the Barataria Preserve | Jean Lafitte National Historical Park and Preserve | — | Year-round | — |
|---|
| Walk the Village Trail | Knife River Indian Villages National Historic Site | 15-90 Minutes | Year-round | — |
|---|
| Walk the Woodpecker Nature Trail | Point Reyes National Seashore | 25-40 Minutes | Year-round | — |
|---|
| Walk to John Oliver Cabin | Great Smoky Mountains National Park | — | — | Fee |
|---|
| Walk to the Kachina Bridge Viewpoint | Natural Bridges National Monument | 10 Minutes | Year-round | — |
|---|
| Walk to the Owachomo Bridge Viewpoint | Natural Bridges National Monument | 10 Minutes | Year-round | — |
|---|
| Walk to the Sipapu Bridge Viewpoint | Natural Bridges National Monument | 10 Minutes | Year-round | — |
|---|
| Walk to Weir Pond | Weir Farm National Historical Park | 30-90 Minutes | Year-round | — |
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| Walk Your Dog at Fort McHenry | Fort McHenry National Monument and Historic Shrine | — | Year-round | — |
|---|
| Walk Your Pet along Palo Verde Trail | Organ Pipe Cactus National Monument | 90-120 Minutes | Year-round | Fee |
|---|
| Walking the South Pasture Loop | Pecos National Historical Park | 90-150 Minutes | Year-round | — |
|---|
| Walks and Hikes of One Mile or Less | Pictured Rocks National Lakeshore | 30-60 Minutes | Year-round | — |
|---|
| Walks and Hikes Over a Mile | Pictured Rocks National Lakeshore | 1-5 Hours | Year-round | — |
|---|
| Walnut Canyon Overlook Trail | Carlsbad Caverns National Park | 5 Minutes | Year-round | — |
|---|
| Watch the Sunrise and Sunset at Fort Vancouver National Historic Site | Fort Vancouver National Historic Site | 15-30 Minutes | Year-round | — |
|---|
| Watch the Sunset from Desert View Trail | Organ Pipe Cactus National Monument | 30-60 Minutes | Year-round | Fee |
|---|
| Watchman Trail | Zion National Park | 1-2 Hours | Year-round | — |
|---|
| Weeping Rock | Zion National Park | 15-45 Minutes | Year-round | — |
|---|
| Welch Spring Trail | Ozark National Scenic Riverways | — | Year-round | — |
|---|
| West Mountain Trail | Hot Springs National Park | 30-60 Minutes | Year-round | — |
|---|
| West Rim to Scout Lookout | Zion National Park | 3-4 Hours | Year-round | — |
|---|
| West Thumb Geyser Basin Trail | Yellowstone National Park | 30-60 Minutes | Summer, Fall | — |
|---|
| Whiteoak Falls (Lower) | Shenandoah National Park | 1-2 Hours | Year-round | — |
|---|
| Whiteoak Falls (Upper) | Shenandoah National Park | 3-4 Hours | Year-round | — |
|---|
| Whittington Trail | Hot Springs National Park | 20-45 Minutes | Year-round | — |
|---|
| Wildflower Viewing | Jewel Cave National Monument | — | Spring, Summer, Fall | — |
|---|
| Williams Hollow Loop Hike | Pea Ridge National Military Park | 45-90 Minutes | Year-round | — |
|---|
| Winter Hikes | Blackstone River Valley National Historical Park | 60-90 Minutes | Winter | — |
|---|
| Wraith Falls Trail | Yellowstone National Park | 30-60 Minutes | Year-round | — |
|---|
| Yawzi Point Trail | Virgin Islands National Park | 30-50 Minutes | Year-round | — |
|---|
| Yellowstone Lake Overlook Trail | Yellowstone National Park | 1-3 Hours | Summer, Fall | — |
|---|
| Yellowstone River Picnic Area Trail | Yellowstone National Park | 2-3 Hours | Summer, Fall | — |
|---|
| Yucca Canyon Trail | Carlsbad Caverns National Park | 9 Hours | Year-round | — |
|---|
| Zumwalt Meadow | Sequoia & Kings Canyon National Parks | — | — | — |
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