The National Park Service lists 23 things to do at San Juan Island National Historical Park. 22 have no extra fee, 22 need no reservation, and 20 allow pets. Each listing links to the full NPS page. Data is from the NPS snapshot of Oct 28, 2026.
Embark on a captivating 1 mile guided walk through San Juan Island National Historical Park, where you can relive the intriguing events of the Pig War. Interpretive waysides provide historical insight into the life of soldiers at American Camp.
This 1 mile trail is an excellent place to take young people to learn more about our environment. Informational waysides along the trail describe the diverse forest ecosystem here.
The Mitchell Hill Moderate Loop incorporates some of the best trail segments along a slightly more challenging route. The trail takes you through a dense cedar grove and to the top of Mitchell Hill.
The Old Military Road Trail (also known and more often signed as “The American Camp Trail”) is a 1 mile trail that takes visitors from the American Camp Visitor Center to the Frazer Homestead Preserve.
Visit South Beach via this short 1 mile hike! The trail travels through the American Camp prairie; keep an eye out for foxes, bald eagles, and rabbits.
San Juan Island National Historical Park offers unique opportunities to observe diverse wildlife, from marine mammals to deer and red foxes. When you visit the park, you are visiting their home.
South Beach (once called the Salmon Banks Beach) at American Camp is longest stretch of public shoreline in the San Juan Islands and part of six miles of saltwater shore overall at both park units.
Check current alerts and closures, entrance fees and operating hours for San Juan Island. Programs and tours can change with the season or be cancelled on short notice — confirm on the NPS page before you plan around one.
National Park Service Data API — things to do, snapshot of Oct 28, 2026. Descriptions are short excerpts; photos are NPS photos shown from nps.gov with their credit.