Battery Townsley Open House
Sun, 4 Oct 2026 at 5:00 AM
Golden Gate National Recreation Area
Golden Gate National Recreation Area, Marin City, Marin County, California, United States
Free entry
Both
About
Monthly open house and guided tours at Battery Townsley (Fort Cronkhite) exploring its WWII and Cold War era underground tunnels, guns, and historic military use.
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