Boulder Open Space and Mountain Parks

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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 Open Space and Mountain Parks

Longest trails

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

• Bear Canyon - NCAR Trail

  0.45 miGroundDifficulty unknown

• Goat Path Trail

  0.45 miGroundMountain hiking

• McClintock Upper Trail

  0.44 miUnpavedMountain hiking

• Side Trail

  0.41 miDifficulty unknown

• Shanahan Connector

  0.40 miGroundDifficulty unknown

• Crown Rock

  0.40 miDifficulty unknown

• Amphitheater Trail

  0.40 miGroundDifficulty unknown

• Marshall Valley Trail

  0.39 miDirtDifficulty unknown

• North Rim Trail

  0.37 miGroundDifficulty unknown

• Old Kiln Spur

  0.37 miGroundDifficulty unknown

• Fern Canyon

  0.36 miGroundDifficulty unknown

• Flagstaff Trail

  0.35 miGroundDifficulty unknown

• Ute Trail

  0.34 miGroundDifficulty unknown

• Bear Peak Trail

  0.32 miGroundMountain hiking

• FlatIrons Vista Trail

  0.31 miDirtDifficulty unknown

• Saddle Rock

  0.29 miGroundDifficulty unknown

• Woods Quarry Trail

  0.29 miGroundDifficulty unknown

• Shadow Canyon South Spur Trail

  0.28 miGroundDifficulty unknown

• 6th Street Connector Trail

  0.28 miGroundDifficulty unknown

• Red Rocks Spur Trail

  0.27 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 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 Boundaries can be incomplete or out of date.