Boulder Open Space and Mountain Parks

← 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 Open Space and Mountain Parks

Longest trails

Ordered by measured length. This is a simple fact, not a quality ranking.

• Mesa Trail

  6.26 miGroundDifficulty unknown

• North Sky Trail

  3.68 miDirtDifficulty unknown

• Community Ditch Trail

  3.21 miDirtDifficulty unknown

• Left Hand Trail

  2.91 miDirtDifficulty unknown

• Anemone Loop Trail

  2.69 miDirtDifficulty unknown

• High Plains Trail

  2.68 miDirtDifficulty unknown

• Lion's Lair Trail

  2.45 miMountain hiking

• Bear Canyon

  2.22 miDirtDifficulty unknown

• Spring Brook Loop North Trail

  2.19 miDirtDifficulty unknown

• Doudy Draw Trail

  2.18 miDirtDifficulty unknown

• FlatIrons Vista South Trail

  2.17 miGroundDifficulty unknown

• Green Mountain West Ridge Trail

  1.90 miGroundDifficulty unknown

• Shanahan - South Fork Trail

  1.82 miGroundDifficulty unknown

• Lower Big Bluestem Trail

  1.79 miGroundDifficulty unknown

• Hogback Ridge Trail

  1.76 miUnpavedHiking

• Bear Peak West Ridge Trail

  1.72 miGroundDifficulty unknown

• Flagstaff Trail

  1.67 miGroundDifficulty unknown

• Goshawk Ridge Trail

  1.64 miGroundDifficulty unknown

• Eagle Trail

  1.56 miGroundDifficulty unknown

• Greenbelt Plateau Trail

  1.56 miGravelDifficulty 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 Open Space and Mountain Parks ↗ (link last checked 2026-10-17)

Source

© OpenStreetMap contributors (ODbL). Area boundary from OSM relation/9848005. Boundaries can be incomplete or out of date.