About hiking in San Juan County

San Juan County, Colorado has 63 named trails tagged for hiking, covering 201 miles, an average of 3.2 miles each. The longest is Continental Divide NST, at 14.8 miles. 12 run 5 miles or longer.

What the hiking trails in San Juan County are like

By length, 19 are under a mile, 32 run 1 to 5 miles, and 12 are 5 miles or longer.

Every one carries a difficulty rating: 6 easy, 38 moderate, and 19 hard. Of the 63 with measured elevation, Hardrock 100 Route climbs the most, about 6,107 ft, and 28 gain 1,000 ft or more.

All 63 hiking trails, longest first

Continental Divide NSTHikeMTB14.8 mi Hardrock 100 RouteHike11.1 mi Twin Sisters / Colorado TrailHikeMTB10.0 mi Engineer Mountain TrailHikeMTB9.7 mi Whitehead TrailHike9.0 mi Elk Creek / Colorado TrailHike8.7 mi Cascade Creek TrailHikeMTB8.2 mi CDT ivfXX - Continental Divide NST - Old RouteHike7.4 mi U.S. Basin RoadHike5.9 mi Molas - Colorado TrailHike5.8 mi Boulder Gulch TrailHikeMTB5.5 mi Crater Lake TrailHike5.4 mi Columbine LakeHikeMTB5.0 mi Rico-Silverton TrailHikeMTB4.7 mi South Fork TrailHikeMTB4.6 mi Deer Creek TrailHikeMTB4.6 mi Rainbow Trail Spur RoadHike4.5 mi Vallecito Creek TrailHike4.5 mi Ice Lakes TrailHike4.2 mi County Road 23 (Maggie Gulch Road)HikeMTB4.1 mi Engine Creek TrailHikeMTB3.3 mi Highland Mary Lakes TrailHike3.2 mi Black Bear Pass RoadHike3.2 mi Cunningham Gulch TrailHike3.1 mi Coal Creek TrailHikeMTB2.9 mi White Creek TrailHikeMTB2.9 mi Molas Trail SystemHike2.8 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 Rock Creek TrailHike2.1 mi Leviathan Lake RouteHike2.0 mi Old Hundred Boarding House TrailHike1.8 mi Rico - Silverton TrailHikeMTB1.7 mi Upper Minnie Gulch TrailHike1.7 mi Island Lake TrailHike1.7 mi OutbackHikeMTB1.6 mi Big Three MineHike1.4 mi Vallecito Creek Trail (529)Hike1.4 mi Spud Lake TrailHike1.2 mi Porphry Basin TrailHike1.1 mi Rainbow Path DownhillHike1.0 mi Elk Creek - Co.TrailHike1.0 mi Colorado Trail (Segment 24)Hike0.9 mi West Fork Pole CreekHikeMTB0.9 mi Tower Mountain Summit TrailHike0.8 mi Cascade Creek RoadHikeMTB0.8 mi Colorado TrailHikeMTB0.7 mi Molas Lake TrailHike0.6 mi Poughkeepsie Gulch BypassHikeMTB0.6 mi Tin Can BasinHikeMTB0.5 mi Andrews Lake Horse TrailHike0.4 mi Mary's Lake ConnectorHike0.3 mi Andrews Lake TrailHike0.3 mi Opus Hut TrailHike0.2 mi Elk Park SpurHike0.2 mi Molas - Co.TrailHikeMTB0.1 mi Pass Trail==Hike0.1 mi Andrews Lake Fishing TrailHike0.1 mi Columbine Lake 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 October 25, 2026.