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Maps & Trails

Maps & Trails

Trails & Hikes

Take a hike on one of the featured trails below to see what's been accomplished through the One Tam partnership and explore some of the areas we plan to focus on the coming years.

General Information

More than 200 miles of trails lie within the One Tam area and many of these trails cross federal, state and local agency boundaries. Watch for posted information about trails use, as regulations for bicycles, dogs, and horses vary by jurisdiction.

Mt. Tam is open from 7 am to sunset, year round.
Reserve your space at one of Mt. Tam’s five campgrounds.
Parking Fees
There is no entrance fee to Mt. Tam but some trailhead parking lots require a fee.
Public Transit
Golden Gate Transit and the West Marin Stagecoach provide access to many of Mt. Tam's trailheads. Or visit Transit and Trails to locate trailheads and get directions and public transportation information.


Upcoming Hikes

Featured Mt. Tam Trails

Select a hike below to learn more about what to expect along the way.

This strenuous 7-mile hike is a great way to explore the Redwood Creek watershed.
Stretching from Mill Valley to Stinson Beach, the famed Dipsea Trail is for hikers looking for a challenge.
This climb up the steep slopes of Mt. Tam reveals beatiful vistas of the Bay Area and the Pacific Ocean.
The five-mile trail loops across former dairy ranches and rises 700 feet.
Skip the crowds at Muir Woods, and explore the Redwood Creek watershed from Mount Tamalpais State Park.
With varied terrain, terrific views, places to picnic and spectacular waterfalls, this hike is a gem.
For a look at the old Air Force station, start at the Mountain Theater overflow lot and cross Ridgecrest to start on the Rock Spring-Lagunitas Fire Road.


Encompassing 46,000 acres, the One Tam area of focus radiates from the top of Mt. Tam to include all of Mount Tamalpais State Park, Muir Woods National Monument, and the Marin Municipal Water District's lands. It also includes portions of the Golden Gate National Recreation Area and several Marin County parks and open space preserves, including Gary Giacomini, White’s Hill, Cascade Canyon, Bald Hill, King Mountain, Blithedale Summit, Camino Alto, Haffee Hill, and Bothin Marsh.