
Fortifications at the Golden Gate, California by Louis K. Harlow, 1895.
From old Spanish presidios to trading post fortresses, and military establishments created for the Civil War and to fight the Indians, California has numerous forts that continue to stand today.

The Benicia Historical Museum, courtesy California Military Museum.
Benicia Arsenal
Camp Yerba Buena Island
Drum Barracks
El Presidio De Santa Barbara
Fort Alcatraz
Fort Baker
Fort Barry
Fort Bidwell

Alcatraz Citadel 1908
Fort Bragg
Fort Cronkhite
Fort Crook
Fort Funston
Fort Guijarros
Fort Humboldt
Fort Independence
Fort MacArthur
Fort Mason

Fort McDowell, Angel Island, California by James Rosenthal
Fort McDowell (Angel Island)
Fort Ord
Fort Point
Fort Reading
Fort Rosecrans
Fort Ross
Fort San Bernardino
Fort Tejon
Fort Winfield Scott
Fort Yuma

Presidio of Monterey, California
Presidio of Monterey
Presidio of San Diego
Presidio de San Francisco
Presidio Of Sonoma
Sutter’s Fort
© Kathy Weiser-Alexander/Legends of America, updated November 2021.
Also See:
American Forts Photo Gallery
California Forts Photo Gallery
California Main Page
Forts Across America
War & Military in American History