Boulder County

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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.

• Walden Ponds

  0.96 miLoopDirtDifficulty unknown

• Star Wars

  0.96 miGroundDifficulty unknown

• City of Lafayette Trail

  0.95 miFine gravelDifficulty unknown

• Fern Canyon Trail

  0.95 miGroundMountain hiking

• Little Thompson Overlook Trail

  0.94 miDirtDifficulty unknown

• Dakota Ridge Trail

  0.93 miGroundMountain hiking

• Bon Scott Trail

  0.93 miGroundDifficulty unknown

• Foothills South

  0.93 miFine gravelDifficulty unknown

• Coulson Gulch Trail

  0.92 miDifficulty unknown

• South Boulder Creek West

  0.90 miGroundDifficulty unknown

• Ghost

  0.90 miDirtDifficulty unknown

• Leon Wurl Trail

  0.89 miLoopGravelDifficulty unknown

• Harney Lastoka

  0.89 miGravelDifficulty unknown

• Lincoln Log

  0.89 miDifficulty unknown

• Lower Pixie Duff

  0.89 miDirtDifficulty unknown

• Colorado and North Western R. R

  0.88 miHiking

• Shadow Canyon South Trail

  0.88 miGroundDifficulty unknown

• Fourmile Creek Trail

  0.87 miUnpavedDifficulty unknown

• FlatIrons Vista North Trail

  0.87 miDirtDifficulty unknown

• Davidson Mesa Trail

  0.87 miDirtDifficulty 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 Boundaries can be incomplete or out of date.