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.
Closures & Alerts
Please refer to agency sources to check for closures and alerts before heading out. This page lists websites and social media accounts for One Tam partner agencies.
Mt. Tamalpais State Park is open from 7 am to sunset, year-round
Samuel P. Taylor is open 8 am to sunset, year-round
Marin Water watershed hours vary through the year according to sunrise and sunset
East Peak, Bootjack, Pantoll parking lots in Mt. Tamalpais 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. Tamalpais to include all of Mt. Tamalpais State Park, Muir Woods National Monument, and Marin Water'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, Horse Hill, and Bothin Marsh.