Tunnels in San Francisco County
Travelers are voting Sunset Tunnel, Twin Peaks Tunnel and Caldecott Tunnel as the best of 5 tunnels in San Francisco County. There are 1 tunnel near Petaluma a city just 65 km from San Francisco County and 1 tunnel near Pittsburg which is 72 km distant. The most popular of these are MacArthur Tunnel near Petaluma and Caldecott Tunnel in Pittsburg. You can find 9 tunnels in California and 56 tunnels in the country of United States. Our members favorite in California is Wawona Tunnel and Thomas P. O'Neill Jr. Tunnel is the top pick in United States. Want more? Check out our map of tunnels in San Francisco County.