Visiting Watershed Lands

"The Mt. Tamalpais Watershed… is held in trust as a natural wildland of great biological diversity, as scenic open space and as an area for passive outdoor recreation for Marin and much of the Bay Area. Passive outdoor recreation is defined as those activities that are based on nature and that require little or no development or facilities.” -Marin Municipal Water District's Mt. Tamalpais Watershed Management Policy.
bike by the lake

Watershed Availability

Due to public health officials’ concerns regarding the spread of coronavirus, Marin Municipal Water District offices, including the Sky Oaks Watershed Headquarters, will be closed to the public effective March 18 until further notice.

The watershed remains open to the public, with some restrictions, for recreational use daily from sunrise to sunset. Effective June 1st, parking restrictions on the watershed will be lifted. While the watershed remains open, visitors must comply with social distancing requirements of at least 6 feet. All of the district’s volunteer programs that take place on the watershed have been canceled until further notice. These changes are designed to protect public health and safety during this crisis.

During extreme fire weather conditions, such as Red Flag Warnings, and other emergencies, vehicle access is prohibited into Bon Tempe and Lagunitas Lakes, at Sky Oaks Watershed Headquarters, and to Natalie Coffin Greene Park, Phoenix Lake. For the most current information regarding land closures during fire season please call the Marin County Fire Department’s Public Information Line at 415-499-7191 or MMWD's Sky Oaks Watershed Headquarters at 415-945-1195.


If you have any questions about our regulations, please review our Land Use Regulations document.