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.
Mines and Submarine Defenses
If the big guns failed to stop an enemy vessel far offshore, the next line of defense was three minefields containing over 600 underwater mines outside the Golden Gate. An antisubmarine net located inside the Gate would prevent any submarine that penetrated the minefield from entering the bay.
Did You Know?
During the early 20th century, the army relied on standardized architectural plans to construct different types of buildings. That is why Fort Baker Building 533 and the Fort Mason GGNRA headquarters’ building look so similar: they were both constructed in 1902 as hospitals.