Fortress Island Explained

Fortress Island
Location:San Juan County, Washington
Coordinates:48.4654°N -122.8385°W
Archipelago:San Juan
Country:United States
Pushpin Map:Washington

Fortress Island is one of the San Juan Islands in San Juan County, Washington, USA. Located in Lopez Sound, the uninhabited, rocky island has a land area of 3.21acres and is almost completely devoid of vegetation.[1] It is part of the Turtleback complex, a series of intrusive rocks in Lopez Sound formed out of crystallized molten magma that also includes Bird Rock, Low Island, and others.[2]

Fortress Island is part of the San Juan Islands National Wildlife Refuge and is managed by the U.S. Fish and Wildlife Service.[3] As with almost all of the islands in the refuge, human access is prohibited and boats may not approach to within 200yards.[4]

Notes and References

  1. Web site: The Geology of the San Juan Islands. cr.nps.gov. National Park Service. 16 January 2015. dead. https://web.archive.org/web/20141227150655/http://www.cr.nps.gov/history/online_books/geology/publications/state/wa/uw-1927-2/sec1a.htm. 27 December 2014.
  2. Book: Protection Island and San Juan Islands National Wildlife Refuges. U.S. Fish and Wildlife Service. 3–12.
  3. Web site: San Juan Wilderness. wilderness.net. Wilderness.
  4. Web site: Plan Your Visit. fws.gov. U.S. Fish and Wildlife Service. 16 January 2015.

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