4.0 star · Medium Out and Back

Sourdough Trail Out and Back

Arapaho and Roosevelt National Forests · Boulder County, Colorado

Trail length

2.9 km

Time

~40 min

Elevation Gain

51 m

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"A wonderous hike from the heart of Boulder County"

The Sourdough Trail Out and Back is a 2.9 km looped trail that starts and ends in Hidden Lake, Boulder County, Colorado. Based on our data, the trail is graded as Medium. 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 0 hrs 53 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.