San Juan Island National Historical Park

San Juan Island National Historical Park
IUCN category V (protected landscape/seascape)
British Camp
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Location	San Juan County, Washington, USA
Nearest city	Friday Harbor, Washington
Coordinates	48°27′21″N 122°59′08″W / 48.45583°N 122.98556°W / 48.45583; -122.98556
Area	2,141 acres (8.66 km2)[1]
Authorized	September 9, 1966 (1966-Sept-09)[2]
Visitors	266,717 (in 2011)[3]
Governing body	National Park Service
Website	San Juan Island National Historical Park
U.S. National Historic Landmark District
Designated	November 5, 1961[4]
U.S. National Register of Historic Places
Designated	October 15, 1966

San Juan Island National Historical Park, also known as American and English Camps, San Juan Island, is a U.S. National Historical Park owned and operated by the National Park Service on San Juan Island in the state of Washington. The park is made up of the sites of the British and U.S. Army camps during the Pig War, a boundary dispute over the ownership of the island. The camp sites were designated a National Historic Landmark in 1961,^[4] and listed on the National Register of Historic Places in 1966. The park was created by an act of Congress in 1966 and expanded slightly in 2013.^[6]