Marin County, California
Looking for the best mountain biking in Marin County? We've got you covered with the top trails, trips, hiking, backpacking, camping and more around Marin County. The detailed guides, photos, and reviews are all submitted by the Outbound community.
Top Mountain Biking Spots in and near Marin County
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Danville, California
Hike in Mount Diablo's Madrone Canyon
2.8 mi / 550 ft gainThis hike starts at the Rock City area of Mount Diablo State Park. Begin at the Madrone Canyon Trail, hiking southeast towards the Devils Slide trail. Along this section of the hike, the trail dips into a wooded canyon and follows the path of a small creek. To best experience the beauty of the cr...Read more -
Half Moon Bay, California
Cowell-Purisima Coastal Trail
4.56.8 mi / 528 ft gainThis trail begins at the Cowell State Beach parking lot and is only open on the weekends. From the lot, take the short Cowell Ranch Access trail to a scenic overlook. There are steps down to the secluded pocket beach just above the main trail. The trail playfully meanders along the cliffside with...Read more -
Half Moon Bay, California
Whittemore Gulch via Purisima Creek Road
6.44 mi / 1870 ft gainThis beautiful mountain bike ride can be started at the Purisima Creek Road Trailhead or on Skyline Boulevard. There are many trails in the Purisisma Creek Redwoods, but Whittemore Gulch is by far the most beautiful and fun single track to descend on. Starting Options:Start at Purisima Creek Roa...Read more