Waterfront Spot
Waterfront SpotMill Valley
Built in 1940, Battery Townsley once housed battleship guns that could fire 25 miles out to sea. Tour the underground tunnels and gun rooms on the first Sunday of each month, or explore the trails and battery exteriors anytime for stunning Pacific views.
Tips
July 5 at 12pm
Climb to San Francisco's most extensive secret WWII fortress, where two massive battleship guns once defended the coast from underground tunnels that housed 100+ soldiers. Monthly guided tours reveal the refurbished battery and a 16-inch gun from the USS Missouri.
Mill ValleyOpen
Waterfront SpotWaterfront SpotBuilt in 1940, Battery Townsley once housed battleship guns that could fire 25 miles out to sea. Tour the underground tunnels and gun rooms on the first Sunday of each month, or explore the trails and battery exteriors anytime for stunning Pacific views.
Tips
July 5 at 12pm
Climb to San Francisco's most extensive secret WWII fortress, where two massive battleship guns once defended the coast from underground tunnels that housed 100+ soldiers. Monthly guided tours reveal the refurbished battery and a 16-inch gun from the USS Missouri.