San Juan Island National Historical Park is a National Historical Park in Washington. The NPS currently lists 1 active alert, 0 campgrounds and 1 visitor center, and no entrance fee.
Sunset at American Camp · Photo: NPS Photo/Gary Tarleton (via nps.gov)
About the park
“San Juan Island is well known for its splendid vistas, saltwater shores, quiet woodlands, orca whales and one of the last remaining native prairies in the Puget Sound/Northern Straits region.”
Active alerts
1
Closures
0
Campgrounds
0
Visitor centers
1
Current alerts and closures
1 active NPS alert as of Oct 28, 2026: 0 closures, 0 danger, 1 caution and 0 information.
Caution
Wildlife Viewing Guidelines
San Juan Island National Historical Park provides habitat for many species of animals. When you visit the park, you are visiting their home. Do not approach any wildlife within 75 ft/23 m (two school bus lengths).
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.
Arts and CultureCultural DemonstrationsBikingFoodPicnickingGuided ToursSelf-Guided Tours - WalkingHikingHunting and GatheringGathering and ForagingLiving HistoryReenactmentsHistoric Weapons DemonstrationFirst Person InterpretationPaddlingKayakingJunior Ranger ProgramSwimmingSaltwater SwimmingWildlife WatchingBirdwatchingShoppingBookstore and Park StoreGift Shop and Souvenirs
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Operating hours
Park grounds are open 24 hours per-day, year-round.
San Juan Island National Historical Park
Day
Hours
Monday
All Day
Tuesday
All Day
Wednesday
All Day
Thursday
All Day
Friday
All Day
Saturday
All Day
Sunday
All Day
Weather: Spring: Temperatures usually range from 40 F to 60 F. Wildflowers are at their peak around May. Summer: Temperatures usually range from 45 F to 70 F.
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.