0.0 star · Difficult Out and Back

Tunnel Lake and Alpine Tunnel Trail

Pike and San Isabel National Forests · Chaffee County, Colorado

Trail length

9.1 km

Time

~2 hrs 7 min

Elevation Gain

181 m

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

The Tunnel Lake and Alpine Tunnel Trail is a 9.1 km looped trail that starts and ends in Nathrop, Chaffee 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 3 hrs 48 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.