5.0 star · Difficult Out and Back

Red Deer Mountain

Arapaho and Roosevelt National Forests · Boulder County, Colorado

Trail length

22.7 km

Time

~1 day 1 hrs

Elevation Gain

979 m

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

The Red Deer Mountain is a 22.7 km looped trail that starts and ends in Hidden Lake, 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.