• American Camp prairie and Mount Finlayson.

    San Juan Island

    National Historical Park Washington

  • American Camp Visitor Center on Daily Schedule

    The American Camp visitor center will be open 8:30 a.m. to 4:30 p.m., daily through Friday, June 2. Grounds are open sunrise to 11 p.m. The English Camp visitor center opens June 2. Grounds are open 8 a.m. to sunset. More »

Officers Quarters

Did You Know?

island marble butterfly

The island marble butterfly was once thought extinct until it was spotted on the American Camp prairie in 1998. The park, in cooperation with the U.S. Fish and Wildlife Service actively monitors the butterfly. More...