Tunnel to Marin Headlands Closed
The tunnel on Bunker Road from Alexander Avenue in Sausalito towards the Marin Headlands is closed for construction. Please follow the detour signs to Conzelman Road (just above the north end of the Golden Gate Bridge) to go up over the hill. More »
Muir Beach (but not nearby Muir Woods) parking lot closed June-November 2013
Muir Beach parking lot will be closed from June-November 2013 due to construction. Restrooms or nearby parking will not be available at Muir Beach during this period. Pacific Way is closed except to residents. Check back for updates or call (415)561-3054 More »
CAUTION: Post Storm Damage to Coastal Trail
The Presidio Coastal Trail segment just north of the Pacific Overlook and adjacent to Lincoln Blvd remains CLOSED indefinitely. We have posted signage to alert bicyclists and hikers and with information for safe trail alternatives. More »
The Men Behind the Guns
Seventeen "batteries" of about 125 soldiers each, manned the Harbor Defenses of San Francisco during the war. These highly trained men maintained and fired the guns, plotted ranges, and staffed the base end stations. Early in the war, they lived at the remote gun batteries and base end stations for weeks at a time. Moral often suffered as they tried to maintain a high state of readiness through long periods with little to do.
Did You Know?
Two-meter-long tube worms and other vent creatures thrive in total darkness in the Galapagos Rift, where seawater is 400 degrees Celsius and pressures are unbelievably high.