Boulder County

← All areas

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.

• Button Rock Mountain Connect

  0.42 miDifficulty unknown

• Skunk Canyon

  0.41 miDirtDifficulty unknown

• North Boulder Creek

  0.41 miDirtDifficulty unknown

• Side Trail

  0.41 miDifficulty unknown

• Taylor Mountain (unmaintained)

  0.41 miMountain hiking

• Professors' Ranch Trail

  0.40 miGroundDifficulty unknown

• Shanahan Connector

  0.40 miGroundDifficulty unknown

• Crown Rock

  0.40 miDifficulty unknown

• Observatory

  0.40 miGroundHiking

• Hidden Falls

  0.40 miMountain hiking

• Amphitheater Trail

  0.40 miGroundDifficulty unknown

• Hawkins Surguine Spur Trail

  0.40 miDifficulty unknown

• Horse Trail

  0.39 miHiking

• Marshall Valley Trail

  0.39 miDirtDifficulty unknown

• GZA

  0.39 miUnpavedDifficulty unknown

• Tantra Park Path

  0.39 miDifficulty unknown

• CoRd126J

  0.39 miDirtDifficulty unknown

• Streamside Trail

  0.39 miDirtDifficulty unknown

• Windy Ridge

  0.39 miDirtDifficulty unknown

• Dirty Grandpa

  0.38 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 Boundaries can be incomplete or out of date.