Marin County Fire - Throckmorton Ridge 816 Panoramic Hwy, Mill Valley, CA94941 The Marin County Fire Department's Throckmorton Ridge station responds to wildland fires on the southern and west Marin…More coast, Mt. Tamalpais and the urban-interface areas above Mill Valley. The department protects Muir Beach, Muir Woods and the unincorporated areas surrounding Mill Valley. It also responds to fires at the Muir Woods National Monument and the Marin Municipal Watershed. The Throckmorton Ridge station was rebuilt in 2006 and has won awards for architecture and energy efficiency. It is manned by two firefighters in the winter and four in the summer.