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.

• Walker Ranch Loop

  3.41 miDirtDifficulty unknown

• Wild Basin Trail

  3.32 miDirtHiking

• Sourdough Trail

  3.24 miGroundDifficulty unknown

• Community Ditch Trail

  3.21 miDirtDifficulty unknown

• Canyon Loop

  3.17 miLoopDirtDifficulty unknown

• Eldorado Canyon Trail

  3.12 miGroundDifficulty unknown

• Saint Vrain Glacier Trail

  3.04 miGroundMountain hiking

• Eagle Wind Trail

  2.97 miDirtDifficulty unknown

• Left Hand Trail

  2.91 miDirtDifficulty unknown

• Wild Turkey Loop Trail

  2.88 miDirtDifficulty unknown

• Coalton Trail

  2.77 miDirtDifficulty unknown

• Coulson Gulch Trail

  2.76 miDifficulty unknown

• Anemone Loop Trail

  2.69 miDirtDifficulty unknown

• High Plains Trail

  2.68 miDirtDifficulty unknown

• Winiger Ridge Trail

  2.65 miGroundDifficulty unknown

• Taylor Mountain Trail

  2.65 miGroundDifficulty unknown

• Meyer's Homestead Trail

  2.59 miGroundDifficulty unknown

• Ponderosa Loop Trail

  2.59 miLoopDirtMountain hiking

• Sourdough Trail

  2.53 miGroundDifficulty unknown

• Niwot Ridge Trail

  2.52 miGravelHiking

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 Boundaries can be incomplete or out of date.