Mt Tam Mountain Bike Trails

Mt. Tam Mountain Bike Trails

Mt. Tamalpais (Mt. Tam) has over 50 miles of great bike trails offering everything from steep lung-busting climbs, to bucolic trails around scenic Lake Lagunitas, to thrilling downhills over fast technical fireroads. Many of the loops on this site offer incredible views of San Francisco Bay, San Francisco, and the Pacific. Don’t miss loops that include some of the trails that made the area famous, such as Old Railroad Grade and Hoo-Koo-E-Koo. Trails are rated HOT, MEDIUM, OR MILD. (Trailhead town).

Hot Trails

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

Mt Tam Summit – Fish Gulch Loop - 16.6 mi; +2450' (Ross)

Mt Tam Summit – Shaver Loop - 18.5 mi; + 2530' (Ross)

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

Mt Tam Summit - Eldridge-Hoo-Koo-E-Koo Loop - 19.1; +3198' (Ross)

Mt Tam Summit - Hoo-Koo-E-Koo-Eldridge Loop - 19.2; +3115' (Ross)

Lance’s Sea Otter Classic Training Ride - 19.9mi; +3200' (Ross)

Mt Tam Summit via Hoo-Koo-E-Koo (Mill Valley)

Shaver - Rock Springs Loop - 12.63 mi; +2000' (Ross)

Medium Trails

Rocky Ridge – Three Lakes Loop - 13.1 mi; 1790' elev gain (Ross)