4.0 star · Difficult Out and Back

Coulson Gulch Trail

Arapaho and Roosevelt National Forests · Boulder County, Colorado

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Trail length

5.9 km

Time

~1 hrs 34 min

Elevation Gain

246 m

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"An epic challenge to remember from the heart of Boulder County"

The Coulson Gulch Trail is a 5.9 km looped trail that starts and ends in Lyons, Boulder County, Colorado. Based on our data, the trail is graded as Difficult. For information on how we grade trails, please read measuring the difficulty of a hiking trail on hiiker. Also, check our latest community posts for trail updates.

This trail can be completed in approx 2 hrs 8 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.