Best Mountain Biking Trails in California | Trailmonger

About mountain biking in California

California has 5,506 named trails tagged for mountain biking on the map, covering 14,581 miles, an average of 2.6 miles each. The longest is bicycle in Santa Cruz County, at 399 miles. 562 run 5 miles or longer. 55 of the state's counties have at least one; Los Angeles County has the most, with 653 trails.

Top 100 mountain biking trails, longest first

bicycleMTBSanta Cruz County399 mi 66 (California)MTBSan Bernardino County305 mi Bizz Johnson TrailHikeMTBLassen County304 mi bicycleMTBSanta Clara County167 mi bicycleMTBMono County155 mi bicycleMTBSan Diego County145 mi San Francisco Bay TrailMTBAlameda County133 mi Pacific Crest TrailHikeMTBSan Diego County128 mi Highway 101 CorridorMTBSanta Clara County97.4 mi Coyote Creek TrailHikeMTBSanta Clara County62.1 mi bicycleMTBSan Mateo County59.3 mi Santa Ana River TrailHikeMTBSan Bernardino County58.8 mi bicycleMTBAlameda County55.6 mi Bayshore BikewayMTBSan Diego County52.6 mi Santa Ana River TrailHikeMTBOrange County52.1 mi Los Angeles River GreenwayMTBLos Angeles County49.9 mi San Gabriel River Trail - Eastern BankHikeMTBLos Angeles County47.3 mi El Dorado TrailHikeMTBEl Dorado County45.0 mi Western States TrailHikeMTBPlacer County44.1 mi Pipeline RoadHikeMTBSan Bernardino County43.5 mi Forest Route 9N11HikeMTBSanta Barbara County42.0 mi American River Bike TrailMTBSacramento County39.6 mi CV LinkHikeMTBRiverside County39.5 mi Monterey Bay Coastal TrailMTBMonterey County38.4 mi San Gabriel River GreenwayMTBLos Angeles County37.6 mi Great Shasta Rail TrailMTBSiskiyou County37.3 mi 50 (California)MTBSacramento County37.1 mi Sacramento River TrailHikeMTBShasta County35.3 mi mtbMTBSanta Cruz County34.8 mi Delta de Anza Regional TrailHikeMTBContra Costa County34.4 mi Coast Bicycle RouteMTBSanta Barbara County34.3 mi Napa Valley Vine TrailMTBNapa County33.9 mi Native Oak TrailHikeMTBLos Angeles County33.5 mi Metro G Line BikewayMTBLos Angeles County32.3 mi Pacific Electric TrailHikeMTBSan Bernardino County31.7 mi Kern River ParkwayMTBKern County30.8 mi Ojai - Ventura Bike PathMTBVentura County30.8 mi California Aqueduct BikewayMTBStanislaus County30.4 mi San Mateo North South Bicycle RouteMTBSan Mateo County29.5 mi Skyline TrailMTBSan Bernardino County28.9 mi Edison RoadHikeMTBLos Angeles County28.0 mi Tasman / Alum Rock Light Rail CorridorMTBSanta Clara County28.0 mi Montague/San Tomas ExpresswayMTBSanta Clara County27.3 mi Rio Hondo River TrailHikeMTBLos Angeles County27.3 mi I-680 Corridor to Silver CreekMTBSanta Clara County27.2 mi Contra Costa Canal TrailHikeMTBContra Costa County27.1 mi Bowers/Keily/Saratoga CorridorMTBSanta Clara County27.1 mi Silverado TrailMTBNapa County26.9 mi Aliso Creek BikewayMTBOrange County26.6 mi Guadalupe River TrailMTBSanta Clara County26.3 mi Skyline BoulevardMTBAlameda County26.2 mi Marin Coastal Bike RouteMTBMarin County26.1 mi Santa Clara Truck TrailMTBLos Angeles County25.6 mi San Diego River TrailHikeMTBSan Diego County25.5 mi bicycleMTBFresno County25.5 mi Los Gatos Creek TrailMTBSanta Clara County25.0 mi Pioneer TrailHikeMTBNevada County24.4 mi Palm Canyon EpicMTBRiverside County24.1 mi Inland Rail TrailMTBSan Diego County23.7 mi Alameda Creek TrailMTBAlameda County22.6 mi Cross Town Bicycle RouteMTBSanta Barbara County22.6 mi Donner Lake Rim TrailMTBNevada County22.5 mi Rincon Red Box Truck TrailHikeMTBLos Angeles County22.4 mi Venice Boulevard Designated Bicycle RouteMTBLos Angeles County22.4 mi Iron Horse Regional TrailMTBContra Costa County21.9 mi VeniceMTBLos Angeles County21.9 mi Campbell/Curtner/Tully CorridorMTBSanta Clara County21.6 mi Homestead / Hedding / Brokaw CorridorMTBSanta Clara County21.6 mi Lamorinda Trail LoopMTBContra Costa County21.4 mi SMART Multi-Use PathHikeMTBSonoma County21.3 mi Park View TrailHikeMTBLos Angeles County21.2 mi SR-56 Bike PathMTBSan Diego County21.2 mi Los Robles TrailHikeMTBVentura County20.7 mi North Fork TrailHikeMTBTrinity County20.4 mi Coastal Rail TrailHikeMTBSan Diego County20.2 mi Pacific Electric GreenwayMTBSan Bernardino County20.2 mi Garden Gulch TrailHikeMTBSiskiyou County20.1 mi Noble Canyon TrailMTBSan Diego County20.1 mi Rincon TrailHikeMTBTulare County20.1 mi Tevis Cup TrailHikeMTBPlacer County19.8 mi Sacramento Northern Bike TrailMTBSacramento County19.7 mi Coast TrailHikeMTBMarin County19.5 mi Pinkham CanyonHikeMTBRiverside County19.4 mi California Riding and Hiking TrailHikeMTBSan Diego County19.2 mi Mountains to Sea TrailHikeMTBOrange County18.4 mi Capitol ExpresswayMTBSanta Clara County18.3 mi Old Ridge RouteHikeMTBLos Angeles County18.3 mi Los Angeles River BikewayHikeMTBLos Angeles County18.2 mi Almaden ExpresswayMTBSanta Clara County18.2 mi I-280 Corridor - Stevens Creek BoulevardMTBSanta Clara County18.2 mi Santa Ana River TrailHikeMTBRiverside County17.9 mi San Juan Creek TrailHikeMTBOrange County17.8 mi Mission Bay Bike RouteMTBSan Diego County17.5 mi Hildreth Peak RoadHikeMTBSanta Barbara County17.4 mi Mokelumne TrailMTBContra Costa County17.2 mi Santa Clara River TrailMTBLos Angeles County17.1 mi Lawrence Expressway RouteMTBSanta Clara County17.0 mi SDG&E Service RoadHikeMTBSan Diego County16.6 mi San Gabriel River Bike PathHikeMTBLos Angeles County16.6 mi Brushy Camp Ridge RoadHikeMTBLake County16.6 mi

Mountain Biking Trails by county

Los Angeles County

Santa Clara County

Contra Costa County

San Diego County

El Dorado County

San Mateo County

San Bernardino County

Santa Cruz County

Humboldt County

Monterey County

San Luis Obispo County

Santa Barbara County

Mendocino County

Riverside County

Siskiyou County

Sacramento County

San Francisco County

Calaveras County

Tuolumne County

Stanislaus County

San Joaquin County

Del Norte County

Mariposa County

San Benito County

← All of California

Trail geometry from OpenStreetMap contributors, licensed ODbL. Elevation from the USGS 3D Elevation Program. Compiled and published by Trailmonger · trail data last rebuilt August 28, 2026.