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.

• Hobbit 3.5

  0.46 miDirtDifficulty unknown

• Niwot Loop Trail

  0.46 miConcreteDifficulty unknown

• Link Trail

  0.45 miCompactedDifficulty unknown

• Bear Canyon - NCAR Trail

  0.45 miGroundDifficulty unknown

• Goat Path Trail

  0.45 miGroundMountain hiking

• Cherryvale Trail

  0.45 miFine gravelDifficulty unknown

• Arapaho Peak Southeast Ridge Route

  0.44 miDirtDemanding mountain hiking

• Devils Thumb Trail

  0.44 miMixedMountain hiking

• Baughman'S Saddle Single Track Trail

  0.44 miLoopGroundDifficulty unknown

• McClintock Upper Trail

  0.44 miUnpavedMountain hiking

• Castle Cutoff

  0.44 miDirtDifficulty unknown

• Pipeline

  0.44 miGravelDifficulty unknown

• Mount Alt Park

  0.44 miDifficulty unknown

• West Ridge Climbing Access Trail

  0.44 miDirtDifficulty unknown

• Goodhue

  0.43 miConcreteDifficulty unknown

• Wonderland Path

  0.43 miPavedDifficulty unknown

• Winiger Ridge Road

  0.42 miDifficulty unknown

• Mitchell Lake Trailhead Connector Trail

  0.42 miDirtDifficulty unknown

• Cannon Mountain Ditch

  0.42 miDirtDifficulty unknown

• Observatory Trail

  0.42 miGroundDifficulty 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 Boundaries can be incomplete or out of date.