About trails in San Juan County, Colorado

San Juan County has 68 named trails on the map, covering 202 miles in total, an average of 3.0 miles per trail. That is the 35th largest mapped trail network among 54 counties in Colorado. 63 of them are tagged for hiking and 28 for mountain biking.

The longest single trail is Continental Divide NST, at 14.8 miles. 12 trails run 5 miles or longer. Mapped points of interest in the county include 12 trailheads, 48 campsites, and 14 waterfalls. The nearest towns to these trails are Silverton, Ophir, and Ouray.

What the trails in San Juan County are like

By length, 23 are under a mile, 33 run 1 to 5 miles, and 12 are 5 miles or longer.

Of the 45 with a difficulty rating, 9 easy, 31 moderate, and 5 hard. Of the 68 with measured elevation, Hardrock 100 Route climbs the most, about 5,957 ft, and 28 gain 1,000 ft or more.

Explore by activity

202Total miles

48Campsites

14Waterfalls

12Trailheads

Continental Divide NSTHikeMTB14.8 mi Hardrock 100 RouteHike11.1 mi Twin Sisters / Colorado TrailHikeMTB10.0 mi Engineer Mountain TrailHikeMTB9.7 mi Elk Creek / Colorado TrailHike8.7 mi Cascade Creek TrailHikeMTB8.2 mi CDT ivfXX - Continental Divide NST - Old RouteHike7.4 mi Whitehead TrailHike7.0 mi U.S. Basin RoadHike5.9 mi Molas - Colorado TrailHike5.8 mi Boulder Gulch TrailHikeMTB5.5 mi Crater Lake TrailHike5.5 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 TrailHike3.3 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 TrailHike2.0 mi Leviathan Lake RouteHike2.0 mi North Loop1.9 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 CreekHikeMTB0.8 mi Tower Mountain Summit TrailHike0.8 mi Cascade Creek RoadHikeMTB0.8 mi Colorado TrailHikeMTB0.7 mi Molas Lake TrailHike0.6 mi ski trail to base0.6 mi Poughkeepsie Gulch BypassHikeMTB0.6 mi Tin Can BasinHikeMTB0.5 mi Boyce Lake Loop0.5 mi Deadmen's Loop0.5 mi Andrews Lake Horse TrailHike0.4 mi Mary's Lake ConnectorHike0.3 mi Andrews Lake TrailHike0.3 mi Opus Hut TrailHike0.2 mi Molas Trailhead0.2 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

Trails by town in San Juan County

More Colorado counties

760 trails · 1,135 mi

Larimer County

593 trails · 1,457 mi

Jefferson County

557 trails · 997 mi

← All of Colorado

Trail geometry from OpenStreetMap contributors, licensed ODbL. Elevation from the USGS 3D Elevation Program. Compiled and published by Trailmonger · trail data last rebuilt September 24, 2026.