0.0 star · Difficult Loop

Night Hawk Trail, Bitterbrush Trail and Nelson Loop

Boulder County, Colorado

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Trail length

15.1 km

Time

~3 hrs 48 min

Elevation Gain

476 m

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

The Night Hawk Trail, Bitterbrush Trail and Nelson Loop is a 15.1 km looped trail that starts and ends in Lyons, 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 17 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.