Forts Baker, Barry, and Cronkhite, Historic military complex in Marin County, United States.

This military complex spreads across hills and shoreline areas from the Golden Gate to the Pacific and consists of three separate forts with various defensive structures. The grounds hold gun emplacements, barracks, ammunition buildings, and other military structures from multiple decades.

The government acquired land starting in 1866 to protect San Francisco Bay against potential attacks. The forts were built and expanded over many decades to keep pace with new weapon technology and military strategy.

The structures here show how soldiers lived and worked across different eras, with buildings from various periods standing side by side. You can observe how military use and architecture adapted over the decades.

You can walk freely across the grounds to explore gun emplacements, tunnels, and old buildings, many with information signs. Wear good footwear since the terrain is hilly and paths can be uneven.

The 1973 National Register listing covers 25 acres and counts one contributing building, 14 contributing structures and three contributing sites. Cavallo Point, the former fort area now used as a conference center and hotel, is part of the group, and the listing notes at least one notable example of Stick/Eastlake architecture.