5.0 star · Difficult Out and Back

Hatfield Mountain via South Fork Sixteenmile Trail

Custer Gallatin National Forest · Gallatin County, Montana

Trail length

25.4 km

Time

~1 day 1 hrs

Elevation Gain

882 m

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

The Hatfield Mountain via South Fork Sixteenmile Trail is a 25.4 km looped trail that starts and ends in Sedan, Gallatin County, Montana. 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 2 days. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.