National Reserve

City Of Rocks National Reserve

City Of Rocks National Reserve is a National Reserve in Idaho. The NPS currently lists 0 active alerts, 2 campgrounds and 1 visitor center, and no entrance fee.

Idaho National Reserve No entrance fee

Updated · NPS Data API

Snow dusted granite formations jut up from a mountainous juniper covered landscape.
City of Rocks Granite · Photo: NPS Photo (via nps.gov)

About the park

“Described by California Trail emigrants as “a city of tall spires,” “steeple rocks,” and “the silent city,” this awe-inspiring landscape continues to captivate. Today, it beckons rock climbers, hikers, campers, hunters, and adventurers with its dramatic scenery, fascinating geology, and echoes of the Old West.”

Active alerts

0

Closures

0

Campgrounds

2

Visitor centers

1

Current alerts and closures

The NPS listed no active alerts for this park in the Oct 28, 2026 snapshot. Conditions can change; check current conditions on nps.gov before you go.

Entrance fees and passes

This site has no entrance fee, according to NPS fee data.

Things to do

Archeology of Castle Rocks Guided Hike

During this 1.10 mile ranger guided hike you will get to explore the archaeology of Castle Rocks State Park. The hike is easy to moderate with some elevation change.

1-2 Hours Reservation required Pets allowed

Guided Tours

Archery Course at Castle Rocks

This course at Castle Rocks State Park has more than 20 stations. Shot distance ranges from 20 yards to 60 yards depending on target size.

Fee applies Pets allowed

Hands-On

Backcountry Camping in Indian Grove

Backcountry camping is available in the designated Indian Grove area within City of Rocks National Reserve. Permits are required for backcountry camping and must be approved prior to your arrival.

1-14 Days Reservation required Pets allowed

Camping

See all 27 things to do in City Of Rocks →

Activities the NPS lists for City Of Rocks.

Auto and ATVScenic DrivingAstronomyStargazingBikingMountain BikingCampingBackcountry CampingCar or Front Country CampingHorse Camping (see also Horse/Stock Use)Group CampingRV CampingClimbingRock ClimbingIce ClimbingFishingFoodPicnickingGuided ToursSelf-Guided Tours - WalkingSelf-Guided Tours - AutoHikingHorse TrekkingHorse Camping (see also camping)Horseback RidingHunting and GatheringHuntingIce SkatingLiving HistoryFirst Person InterpretationJunior Ranger ProgramSkiingCross-Country SkiingSnow PlaySnowmobilingSnowshoeingWildlife WatchingBirdwatchingShoppingBookstore and Park StoreGift Shop and Souvenirs

Operating hours

The National Reserve is open 365 days a year, 7 days a week, 24hrs/day. Many roads are not maintained during the winter and may become impassable from late November through May.

City of Rocks National Reserve
DayHours
MondayAll Day
TuesdayAll Day
WednesdayAll Day
ThursdayAll Day
FridayAll Day
SaturdayAll Day
SundayAll Day

Weather: City of Rocks is located in south-central Idaho within the northern edge of the Basin and Range geologic province. Outdoor recreation can be pleasant from April through October.

Contact and directions

Phone
208-824-5901
Email
[email protected]
Address
City of Rocks National Reserve, Almo, ID 83312
Coordinates
42.0699, -113.7124· View on OpenStreetMap

Official park page on nps.gov Directions

Visitor centers

Visitor centerStandard hoursPhonePassport stamp
City of Rocks Visitor CenterDaily: 8:00AM - 4:30PM208-824-5901Yes

Campgrounds

CampgroundTotal sitesReservableFirst-comeRVsFeeReserve
City of Rocks Campground67676Yes, up to 28 ft$14Reservation site
Smoky Mountain Campground383838Yes$28Reservation site

Site counts and fees are from the NPS campground data. Fees show the first listed rate; availability is not shown here — check the reservation site.

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More parks in Idaho

California National Historic TrailCraters Of The Moon National Monument & PreserveHagerman Fossil Beds National MonumentIce Age Floods National Geologic TrailLewis & Clark National Historic TrailMinidoka National Historic SiteNez Perce National Historical ParkOregon National Historic TrailYellowstone National ParkAll in Idaho

Nearest other NPS sites

Sources

  • Park details, alerts, fees and passes, visitor centers and campgrounds: National Park Service Data API, snapshot of Oct 28, 2026.
  • Official park page: https://www.nps.gov/ciro/index.htm
  • Data: National Park Service (NPS) Data API, U.S. Department of the Interior (developer.nps.gov). This product uses the NPS Data API but is not endorsed or certified by the National Park Service. The National Park Service and the U.S. Department of the Interior do not endorse OpenParks. Photos are NPS images shown with their original credits; park descriptions are short excerpts credited to the NPS. Always confirm current conditions on nps.gov before you travel.