The Barry/Baker tunnel on Bunker Road will be closed for maintenance during the weeks of 6/2 and 6/9. The tunnel will be open on the weekends. Please use Conzelman Road instead. More »
Muir Beach Overlook closure
The Muir Beach Overlook will be closed for Accessibility improvements and trail upgrades from June 2 through July 21. Alternate viewpoints are available along Highway 1 between there and Stinson Beach.
Finding Aids - Alcatraz
Finding aids contain information on the contents and significance of an archival collection. The finding aid may include descriptive information; repository information; collection history; biographical or historical information on creators of the collection; and in some cases a container or folder list of everything in the collection. The collection is housed at the Park Archives and Records Center and can be viewed during open hours or by appointment. Please visit the Collections page for more information or email us.
Alcatraz Blueprint Collection GOGA 18298 (pdf 1.5MB)
Marc S. Boatwright Alcatraz Indian Occupation Collection GOGA 35158 (pdf 250K)
Erwin Thompson Research Collection GOGA 35360 (pdf 882K)
Did You Know?
Mélange underlies much of Golden Gate and is a mixture of rocks created by tectonic activity in and near a subduction zone.