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.
Indian Jones and the Temple of Doom
0.31 miDirtDifficulty unknownArapaho Glacier Connector Trail
0.31 miGroundDifficulty unknownFlatIrons Vista Trail
0.31 miDirtDifficulty unknownDale's Trail
0.31 miDirtDifficulty unknownShort Stack Trail
0.31 miGroundDifficulty unknownCampsites Trail
0.31 miGroundDifficulty unknownReboot
0.30 miGroundDifficulty unknownHill Climb Road
0.30 miUnpavedDifficulty unknownCarwash
0.30 miGroundDifficulty unknownOld Baldy
0.30 miGroundMountain hikingPowerline Trail
0.30 miPavedDifficulty unknownCrown Rock Climbing Areas
0.29 miDifficulty unknownSaddle Rock
0.29 miGroundDifficulty unknownComo Creek
0.29 miDirtDifficulty unknownWoods Quarry Trail
0.29 miGroundDifficulty unknownChuck's Night Out
0.29 miDifficulty unknownSocial 40
0.29 miDifficulty unknownHawkins Surguine Spur Trail
0.29 miDifficulty unknownT-33A Crash Trail
0.29 miDirtDifficulty unknownCommunity College
0.28 miUnpavedDifficulty 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 Boundaries can be incomplete or out of date.