4.0 star · Extra Difficult Out and Back

Derby Mountain Trail

Custer Gallatin National Forest · Sweet Grass County, Montana

Trail length

18.1 km

Time

~4 hrs 51 min

Elevation Gain

741 m

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"An epic challenge to remember from the heart of Sweet Grass County"

The Derby Mountain Trail is a 18.1 km looped trail that starts and ends in Reed Point, Sweet Grass County, Montana. 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 7 hrs 12 mins. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.