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:
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:

Lake Lagunitas