Sourdough Canyon Road is a hiking, biking, and horse trail in Gallatin County, Montana. It is within Gallatin National Forest. It is 4.7 miles long and begins at 5,273 feet altitude. Traveling the entire trail is 9.4 miles with a total elevation gain of 1,413 feet. Near the trailhead there is parking.
Sourdough Canyon Road Professional Review and Guide
"Located 7 miles south of Bozeman in the foothills of the Gallatin Range. Highlights: Gradual climb into scenic, shady forest; Mystic Lake, challenging but fun singletrack; and a long, fast descent on a gravel road. Tread: 14.7 miles on smooth, gated doubletrack; 2.9 miles on superb singletrack."
--Will Harmon, Mountain Biking Bozeman (Falcon Guides).
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