Marin Fat Tire provides mountain biking trail information on trails around Mt. Tam, China Camp, and Marin, on local bicycle shops and resources, and general tips for riding mountain bikes on the great trails in the area.

Marin County is the birthplace of mountain biking where you can find epic mountainbike rides, great fire roads, and challenging singletrack.  And Marin Fat Tire is Marin's best source for local mountain bike trail information.  Each trail page offers turn-by-turn directions, directions to the trailhead, and many have links to GPS data for each ride.  Trails home.

Mt. Tam Bike Trails - Miles and miles of great mountain bike trails accessible from many points including Natalie Coffin Greene Park near Ross,  Fairfax, Larkspur, and Mill Valley.  Here are just a few of our great rides:

Mt Tam Summit – Eldridge Loop -15.8 mi; +2400'  (Ross)

Mt Tam Summit - Epic Twin Peaks Loop - 19.2 mi; +3400' gain (Ross)

Shaver – Lake Lagunitas – Eldridge Loop - 11.1 mi; +1060' (Ross)

China Camp Mountain Bike Trails - Explore Marin's best singletrack mountain biking trails in China Camp Park.  A great place for riders of all abilities.  Here's a classic China Camp Loop:

China Camp - Bayview Shoreline Loop - 9.25 miles; +1233' (San Rafael)


Camp Tamarancho Mountain Bike Trails - More great, but very technical, singletrack just outside of Fairfax.  Don't forget to pick-up a day pass which you can get at Sunshine Bicycles or directly from the Boy Scouts of Marin which owns and maintains the trails.  Here's a clockwise loop around Tamarancho's primary trails:

Camp Tamarancho Loop - 12.5 miles; +1750' (Fairfax)











Lake Lagunitas

Eldridge Grade Trail