4.0 star · Difficult Loop

Diamond Lake Trail

Arapaho and Roosevelt National Forests · Boulder County, Colorado

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Trail length

8.5 km

Time

~2 hrs 22 min

Elevation Gain

403 m

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

The Diamond Lake Trail is a 8.5 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 5 hrs 42 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.