About mountain biking in San Juan County

San Juan County, Colorado has 28 named trails tagged for mountain biking, covering 99.9 miles, an average of 3.6 miles each. The longest is Continental Divide NST, at 14.8 miles. 5 run 5 miles or longer.

All 28 mountain biking trails, longest first

Continental Divide NSTHikeMTB14.8 mi Twin Sisters / Colorado TrailHikeMTB10.0 mi Engineer Mountain TrailHikeMTB9.7 mi Cascade Creek TrailHikeMTB8.2 mi Boulder Gulch TrailHikeMTB5.5 mi Rico-Silverton TrailHikeMTB4.7 mi South Fork TrailHikeMTB4.6 mi Deer Creek TrailHikeMTB4.6 mi County Road 23 (Maggie Gulch Road)HikeMTB4.1 mi Engine Creek TrailHikeMTB3.3 mi Coal Creek TrailHikeMTB2.9 mi White Creek TrailHikeMTB2.9 mi West Lime Creek TrailHikeMTB2.5 mi Pass TrailHikeMTB2.5 mi Rico-Silverton - Co.Trail TrailHikeMTB2.4 mi Colorado Trail (Segment 25)HikeMTB2.3 mi Middle Pole TrailHikeMTB2.3 mi Graysill TrailHikeMTB2.1 mi Columbine Lake TrailHikeMTB1.9 mi Rico - Silverton TrailHikeMTB1.7 mi Columbine LakeHikeMTB1.6 mi OutbackHikeMTB1.6 mi West Fork Pole CreekHikeMTB0.9 mi Cascade Creek RoadHikeMTB0.8 mi Colorado TrailHikeMTB0.7 mi Poughkeepsie Gulch BypassHikeMTB0.6 mi Tin Can BasinHikeMTB0.5 mi Molas - Co.TrailHikeMTB0.1 mi

← All San Juan 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 August 23, 2026.