Spring 2020 Update: Currently, parking lots on Mt. Tam are closed to vehicles and trails on the mountain are only available to local visitors walking or biking in. These restrictions are in place in accordance with Marin County public health orders issued March 31, 2020. Learn more and get links to the latest information from the One Tam partner agencies here.
More than 200 miles of trails lie within the One Tam management area and many of these trails cross federal, state and local agency boundaries. Take a hike on one of the featured trails below to see what's been accomplished through the One Tam partnership. You can also explore some of the areas the One Tam partners have identified as future projects.
One Tam’s new Trails Stewardship program is an innovative and comprehensive trail corridor stewardship program designed to benefit both the trail footprint and its adjacent natural and cultural resources. Read more about our trails below and help support this work by becoming a One Tam member today.
Mt. Tam State Park is open from 7 am to sunset, year-round
Samuel P. Taylor is open 8 am to sunset, year-round
MMWD watershed hours vary through the year according to sunrise and sunset
East Peak, Bootjack, Pantoll parking lots in Mt. Tam State Park require exact change of $8
Parking within MMWD’s Sky Oaks area (including Lake Lagunitas and Bon Tempe Lake parking lots) require a day pass which can be paid for with cash or credit card
Muir Woods requires a parking reservation as well as an entrance fee
Select a hike below to learn more about what to expect along the way.
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.