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.

• Lion's Lair Trail

  2.45 miMountain hiking

• Woodland Lake Trail

  2.40 miMixedMountain hiking

• Mitchell Lake Trail

  2.39 miGroundDifficulty unknown

• Walker Mountain

  2.36 miDirtDifficulty unknown

• Pawnee Pass Trail

  2.35 miGroundHiking

• Isabell Glacier Trail

  2.32 miGroundMountain hiking

• Meadowlark Trail

  2.31 miGravelDifficulty unknown

• Pipeline Trail

  2.31 miDirtMountain hiking

• Storm Gulch

  2.29 miGroundDemanding mountain hiking

• Slaughterhouse Gulch Road

  2.29 miUnpavedDifficulty unknown

• Finch Lake Cutoff Trail

  2.27 miDirtHiking

• Benjamin Trail Loop

  2.26 miLoopDirtDifficulty unknown

• Elk Trail

  2.25 miDifficulty unknown

• Oh Danny Boy Loop

  2.24 miLoopGroundDifficulty unknown

• Bear Canyon

  2.22 miDirtDifficulty unknown

• Waldrop Trail

  2.21 miGroundDifficulty unknown

• Nelson Loop

  2.21 miLoopDirtDifficulty unknown

• Overland Loop Trail

  2.20 miLoopDirtHiking

• Sheep's Way

  2.20 miDifficulty unknown

• Hobbit

  2.19 miDirtHiking

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 Boundaries can be incomplete or out of date.