5.0 star · Extra Difficult Loop

Surprise Lake, Upper Cataract and Mirror Lake Trail

White River National Forest · Summit County, Colorado

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Trail length

32.1 km

Time

~1 day 3 hrs

Elevation Gain

1273 m

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

The Surprise Lake, Upper Cataract and Mirror Lake Trail is a 32.1 km looped trail that starts and ends in Heeney, Summit County, Colorado. Based on our data, the trail is graded as Extra 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 3 days. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.