0.0 star · Medium Out and Back

Diamond Lake and Upper Diamond Lake via Arapaho Pass Trail

Boulder County, Colorado

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Trail length

13.0 km

Time

~3 hrs 41 min

Elevation Gain

657 m

"A wonderous hike from the heart of Boulder County"

The Diamond Lake and Upper Diamond Lake via Arapaho Pass Trail is a 13.0 km looped trail that starts and ends in Eldora, 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 2 days. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.