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.

• Mayhoffer Trail

  1.80 miGravelDifficulty unknown

• Hobbit

  1.80 miDirtHiking

• Hicks Gulch

  1.80 miDirtDifficulty unknown

• Bright Trail Extension

  1.79 miDifficulty unknown

• Lower Big Bluestem Trail

  1.79 miGroundDifficulty unknown

• Bluebird Lake Trail

  1.78 miGroundDifficulty unknown

• Hogback Ridge Trail

  1.76 miUnpavedHiking

• Hoh'onookee Koh'owu Trail

  1.73 miDirtDifficulty unknown

• Bear Peak West Ridge Trail

  1.72 miGroundDifficulty unknown

• Saint Vrain Mountain Trail

  1.71 miGroundHiking

• Boy Scout Spur

  1.70 miGroundMountain hiking

• Re-Root

  1.70 miDirtDifficulty unknown

• Bright Trail

  1.68 miGroundDifficulty unknown

• Flagstaff Trail

  1.67 miGroundDifficulty unknown

• Little Raven Trail

  1.67 miGroundDifficulty unknown

• North Shore Trail

  1.67 miDifficulty unknown

• Allenspark Trail

  1.67 miGroundHiking

• Goshawk Ridge Trail

  1.64 miGroundDifficulty unknown

• Burning Bush

  1.62 miDifficulty unknown

• Anne U White Trail

  1.59 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 Boundaries can be incomplete or out of date.