About mountain biking in Marin County

Marin County, California has 154 named trails tagged for mountain biking, covering 363 miles, an average of 2.4 miles each. The longest is Marin Coastal Bike Route, at 26.1 miles. 19 run 5 miles or longer.

What the mountain biking trails in Marin County are like

By length, 73 are under a mile, 62 run 1 to 5 miles, and 19 are 5 miles or longer. 2 are loops, ending where they start; the longest is Angel Island Perimeter Road, at 4.8 miles.

Every one carries a difficulty rating: 44 easy, 78 moderate, and 32 hard. Of the 152 with measured elevation, Coast Trail climbs the most, about 4,221 ft, and 29 gain 1,000 ft or more.

All 154 mountain biking trails, longest first

Marin Coastal Bike RouteMTB26.1 mi Coast TrailHikeMTB19.5 mi Coastal TrailHikeMTB15.3 mi Pt Reyes Petaluma Bike RouteMTB14.1 mi Bolinas Ridge TrailMTB12.6 mi Miwok TrailHikeMTB10.5 mi Sir Francis Drake Bike RouteMTB9.8 mi Lucas Valley Bike RouteMTB9.7 mi Cross Marin TrailMTB9.3 mi Marin Headlands LoopMTB9.2 mi Estero TrailHikeMTB9.1 mi Shoreline TrailHikeMTB8.3 mi Stewart TrailHikeMTB7.3 mi Angle Island Fire RoadsMTB6.3 mi Old Railroad Grade Fire RoadMTB6.0 mi Olema Valley TrailHikeMTB5.7 mi Pacific Coast Bike Route (North)MTB5.6 mi Pacific Coast Bike Route (South)MTB5.6 mi Big Rock Ridge Fire RoadHikeMTB5.2 mi Angel Island Perimeter RoadMTB4.8 mi Kent Pump RoadHikeMTB4.5 mi Alta TrailHikeMTB4.2 mi Hamilton Field PathHikeMTB3.8 mi Mill Valley - Sausalito PathHikeMTB3.8 mi Bill's TrailHikeMTB3.7 mi Deer Park Fire RoadHikeMTB3.4 mi Bay View TrailHikeMTB3.2 mi Barnabe Fire RoadHikeMTB3.2 mi Redwood Creek TrailHikeMTB3.2 mi Coast View TrailHikeMTB3.2 mi Ponti Ridge TrailHikeMTB3.1 mi SMART PathwayHikeMTB3.1 mi Shoreline PathHikeMTB3.0 mi Dias Ridge TrailHikeMTB2.9 mi Bobcat TrailHikeMTB2.9 mi Richmond-San Rafael Bridge Bicycle and Pedestrian PathHikeMTB2.6 mi Inverness Ridge TrailHikeMTB2.6 mi 680 TrailHikeMTB2.6 mi Big Rock TrailHikeMTB2.5 mi Platform Bridge RouteMTB2.4 mi 7-ElevenHikeMTB2.3 mi Old Rail TrailHikeMTB2.3 mi SMART Multiuse PathwayHikeMTB2.3 mi Middle Green Gulch TrailHikeMTB2.2 mi Old Railroad GradeHikeMTB2.1 mi Broken Dam TrailHikeMTB2.0 mi McCurdy TrailHikeMTB2.0 mi Old Stage RoadMTB1.9 mi Eagle Rock TrailHikeMTB1.8 mi Tennessee Valley TrailHikeMTB1.8 mi Smith Ridge Fire RoadMTB1.8 mi Worn Spring RoadMTB1.7 mi Bullpoint TrailHikeMTB1.7 mi Corte Madera PathwayHikeMTB1.7 mi Coastal Fire RoadHikeMTB1.7 mi Julian TrailHikeMTB1.6 mi Oak Ridge DriveHikeMTB1.6 mi Lincoln Hill PathHikeMTB1.6 mi Southern Marin Line RoadHikeMTB1.5 mi Marincello TrailHikeMTB1.4 mi Drakes Head TrailHikeMTB1.4 mi Larkspur PathHikeMTB1.4 mi Gravesite RoadHikeMTB1.3 mi SolsticeHikeMTB1.3 mi Sunset Beach TrailHikeMTB1.3 mi Ridge Fire TrailHikeMTB1.3 mi Wagon Wheel TrailHikeMTB1.3 mi Olema Marsh TrailHikeMTB1.3 mi JT HowellHikeMTB1.3 mi Serpentine Fire RoadHikeMTB1.3 mi Marshall Beach TrailMTB1.2 mi Old Springs TrailHikeMTB1.2 mi Terra Linda to Ignacio Bike PathHikeMTB1.2 mi Barnabe Mountain Fire RoadMTB1.2 mi Contour TrailHikeMTB1.1 mi Tenderfoot TrailHikeMTB1.1 mi Goldman TrailHikeMTB1.1 mi Devil's Gulch RoadHikeMTB1.1 mi Wood RatHikeMTB1.0 mi StewartHikeMTB1.0 mi Gravity Car RoadMTB1.0 mi Kirby Cove RoadHikeMTB1.0 mi B-17 TrailHikeMTB0.9 mi Back Ranch Fire TrailHikeMTB0.9 mi White Hill TrailHikeMTB0.9 mi Worn Springs Fire RoadMTB0.9 mi Serpentine TrailHikeMTB0.9 mi Upper Peters Dam RoadHikeMTB0.8 mi Corte Madera - Larkspur PathHikeMTB0.8 mi San Carlos Fire RoadHikeMTB0.8 mi 13 Oaks Fire RoadHikeMTB0.8 mi Luiz Ranch Fire RoadMTB0.8 mi Coyote Ridge TrailHikeMTB0.7 mi Sunrise Fire RoadMTB0.7 mi Enfrente PathwayHikeMTB0.7 mi Rodeo Avenue TrailHikeMTB0.7 mi French Ranch Fire RoadHikeMTB0.7 mi Easy Grade TrailHikeMTB0.7 mi Shepherd Way Fire RoadHikeMTB0.7 mi EndorMTB0.6 mi Fish Grade Fire RoadMTB0.6 mi Spanish TrailHikeMTB0.6 mi Drown RoadHikeMTB0.6 mi Solstice ExtensionHikeMTB0.6 mi Echo TrailHikeMTB0.6 mi Hobo CampHikeMTB0.6 mi Public ShoreHikeMTB0.6 mi Lower Summit Fire RoadHikeMTB0.6 mi Glen Fire RoadHikeMTB0.6 mi Citron Ave Fire RoadHikeMTB0.6 mi WB-03 Fire RoadHikeMTB0.5 mi WB-01 Fire RoadHikeMTB0.5 mi Tomahawk Fire RoadMTB0.5 mi Middle Summit Fire RoadHikeMTB0.5 mi Haypress Camp TrailHikeMTB0.5 mi MeadowHikeMTB0.5 mi Del Casa Fire RoadHikeMTB0.5 mi Boulder Springs TrailHikeMTB0.5 mi Alchemist TrailHikeMTB0.5 mi Cascade Fire RoadHikeMTB0.5 mi Homestead Fire RoadHikeMTB0.5 mi School TrailHikeMTB0.5 mi MaytagHikeMTB0.4 mi Batteries Loop TrailHikeMTB0.4 mi Randall Spur TrailHikeMTB0.4 mi Filter Plant RoadMTB0.4 mi Ponti Fire RoadMTB0.4 mi Horse Hill PathHikeMTB0.4 mi Porcupine TrailHikeMTB0.4 mi Horse Hill Fire RoadMTB0.4 mi Alameda del Prado TrailHikeMTB0.3 mi Vista Point TrailHikeMTB0.3 mi Hiltler/SparklesHikeMTB0.3 mi Band-tailed Fire RoadHikeMTB0.3 mi Charles F. McGlashan PathwayHikeMTB0.3 mi Quercus IIHikeMTB0.3 mi Peacock Gap TrailHikeMTB0.3 mi County View TrailHikeMTB0.3 mi Peace TrailHikeMTB0.3 mi Dead Heifer Fire RoadMTB0.3 mi Miwok Cutoff TrailHikeMTB0.3 mi B-17 ExtensionHikeMTB0.3 mi Pipeline TrailHikeMTB0.3 mi Slacker Ridge TrailHikeMTB0.2 mi WB-02 Fire RoadHikeMTB0.2 mi Brunini WayHikeMTB0.2 mi Meadow XHikeMTB0.2 mi Cal Park Hill TunnelHikeMTB0.2 mi Marlin Fire RoadHikeMTB0.2 mi Octopus TrailHikeMTB0.2 mi Mission Pass PathHikeMTB0.2 mi Smith TrailHikeMTB0.1 mi Gravesite Road ConnectorHikeMTB0.1 mi Central Marin Ferry ConnectorHikeMTB0.1 mi

← All Marin County trails

Trail geometry from OpenStreetMap contributors, licensed ODbL. Elevation from the USGS 3D Elevation Program. Compiled and published by Trailmonger · trail data last rebuilt October 25, 2026.