Boulder County
County. Find your line here.
Trails736
Total length610 mi
Known loops19
Counts are trails in our data whose start point lies inside this boundary. A loop is counted only where the source marks it as one.
Search trails near Boulder County
Longest trails
Ordered by measured length. This is a simple fact, not a quality ranking.
Davidson Mesa Trail
0.87 miDirtDifficulty unknownBarker Reservoir Trail
0.87 miUnpavedDifficulty unknownWillows Trail
0.87 miDifficulty unknownFox Creek Trail
0.87 miGroundDifficulty unknownSouth Shore Trail
0.86 miGroundDifficulty unknownMaryville Downhill
0.85 miDirtDifficulty unknownSpring Gulch #2 Greenway
0.85 miConcreteDifficulty unknownEast Boulder Community Park path
0.84 miConcreteDifficulty unknownGolden Meadow Trail
0.83 miGroundDifficulty unknownA-Lodge Connector
0.83 miDirtDifficulty unknownDevil's Thumb Trail
0.83 miDirtDifficulty unknownBob and Betty Lakes Trail
0.82 miDirtDifficulty unknownMeadow Mountain Ranch Trail
0.82 miDifficulty unknownViewpoint Trail
0.82 miGroundDifficulty unknownSouth Saint Vrain Trail
0.82 miGroundMountain hikingCook Mountain Summit (unmaintained)
0.81 miGroundMountain hikingSugar Magnolia
0.81 miDirtDifficulty unknownFourmile Link Trail
0.80 miDirtDifficulty unknownIBM Connector Trail
0.80 miFine gravelDifficulty unknownRattlesnake Gulch
0.80 miDifficulty unknown
Official information
Parking, fees, permits, closures and rules are set by the managing agency and change often. We don't copy them here: check the official page before you go. Official page for Boulder County ↗ (link last checked 2026-10-17)
Source
© OpenStreetMap contributors (ODbL). Area boundary from OSM relation/1411337. Boundaries can be incomplete or out of date.