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).
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San Juan Island National Historical Park
Washington
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. But it was also here in 1859 that the United States and Great Britain nearly went to war over possession of the island, the crisis ignited by the death of a pig.
About San Juan Island National Historical Park
San Juan Island National Historical Park is a national historical park located in Washington. 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. On very sunny days, be prepared with water-heat exhaustion is a common complaint among park visitors who are unprepared. Fall: Temperatures usually range from 40 F to 65 F. Rain is common. Winter: Temperatures range from 35 F to 50 F. Be prepared with cold and wet weather gear and numerous layers if you intend to be outside. Rain and wind are common.
San Juan Island is served by Washington State Ferries, several private cruise and shuttle craft and two air carriers (one of which has both land and seaplane service). The Washington State Ferries terminal is 85 miles north of Seattle and 90 miles south of Vancouver, BC in Anacortes, WA.
💰 Entrance Fees & Passes
Entry to San Juan Island is completely free. There are no general entrance fees or vehicle passes required to access this park unit.
🥾 Things to Do
San Juan Island National Historical Park offers visitors a diverse selection of outdoor experiences. You can participate in a wide array of activities, most notably Arts and Culture, Cultural Demonstrations, Biking, Food, and 20 other recreational activities, depending on the season and weather conditions. Path options exist for both casual strollers and expert backcountry adventurers.
📦 Recommended Gear & Packing Checklist
Custom items selected for activities at San Juan Island
📋 Visitor Planning Tips for San Juan Island
- →Beat the Crowds: Arrive at the main gates or trailheads of San Juan Island before 8:00 AM. Parking spaces at popular locations fill up extremely fast, especially during warm peak season weekends.
- →Monitor Active Alerts: There are currently 1 active alerts for San Juan Island. Keep an eye on the alert notifications at the top of this guide for crucial information regarding closures or safety issues.
- →Leave No Trace: Help protect the delicate ecosystems of San Juan Island. Stay on marked trails, pack out all of your waste, and keep a respectful distance from wildlife.
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. But it was also here in 1859 that the United States and Great Britain nearly went to war over possession of the island, the crisis ignited by the death of a pig.
Frequently Asked Questions about San Juan Island
About the Author
James R. Mitchell
Founder & Lead Writer — National Park Data
James has visited all 63 designated US national parks and has been writing about outdoor travel for over 12 years. He spent 8 years as a wilderness guide in the Rocky Mountains before founding National Park Data to help visitors plan better, safer, and more enjoyable park trips.
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