About mountain biking in Ouray County

Ouray County, Colorado has 44 named trails tagged for mountain biking, covering 83.8 miles, an average of 1.9 miles each. The longest is Dallas Trail #200, at 14.5 miles. 3 run 5 miles or longer.

All 44 mountain biking trails, longest first

Dallas Trail #200HikeMTB14.5 mi Rat Trails Southern loopMTB8.9 mi Portland TrailMTB6.0 mi Dallas TrailMTB4.1 mi Karni Mata LoopHikeMTB3.5 mi Rattus MaximusHikeMTB3.1 mi Spring Creek (Middle)HikeMTB2.9 mi Governor Basin RoadHikeMTB2.9 mi Big CheeseHikeMTB2.8 mi Uncompahgre River WalkHikeMTB2.7 mi Enchanted Mesa TrailHikeMTB2.6 mi Double CrosserHikeMTB2.3 mi Portland Trail (238)HikeMTB2.3 mi Mear's BayMTB2.0 mi Marmot RunHikeMTB1.8 mi SplinterHikeMTB1.7 mi RaticalHikeMTB1.5 mi Dented DoorHikeMTB1.4 mi PlaguegroundHikeMTB1.3 mi Rat Trap (West)HikeMTB1.3 mi Umcompahgre River WalkHikeMTB1.3 mi Speedy GonzalezHikeMTB1.2 mi Uncompahgre RiverwayHikeMTB1.1 mi Red Mountain Three RoadHikeMTB0.9 mi Cookie Tree TrailMTB0.9 mi Rat TrapHikeMTB0.9 mi Lower Double CrosserHikeMTB0.8 mi The MazeHikeMTB0.8 mi ExterminatorHikeMTB0.6 mi Guston RoadHikeMTB0.6 mi Lower RaticalHikeMTB0.6 mi Fellin Park PathMTB0.5 mi North RAT AccessHikeMTB0.5 mi Portland Mine Trail (238.1A)HikeMTB0.5 mi Sunset Ridge TrailHikeMTB0.5 mi Twin FawnHikeMTB0.4 mi Skyline LoopHikeMTB0.4 mi The Maze NorthHikeMTB0.4 mi Gnawly LineHikeMTB0.3 mi SqueakerHikeMTB0.2 mi Oh Point RoadHikeMTB0.2 mi Cascade Portland TieHikeMTB0.2 mi Fish TailHikeMTB0.1 mi The PlaguegroundHikeMTB0.1 mi

← All Ouray 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 9, 2026.