0.0 star · Difficult Out and Back

Devil's Thumb Bypass Trail

Arapaho and Roosevelt National Forests · Boulder County, Colorado

Trail length

19.6 km

Time

~1 day 0 hrs

Elevation Gain

726 m

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

The Devil's Thumb Bypass Trail is a 19.6 km looped trail that starts and ends in Eldora, 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 days. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.