Chestnut Mountain Trail

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Chestnut Trail

9.2 miles (round-trip to the ridge) or 15.4 miles (round-trip to Goose Creek) 

Duration: 3 to 8 hours

Difficulty: Moderate to difficult

Elevation Gain: 2,200 to 2,400 feet 

Activities: Hiking, mountain biking, trail running, climbing

Crowds: Moderate traffic

This trail—part of which is private property protected by GVLT’s first conservation easement in 1991—passes the spectacular Frog Rock pinnacles to the ridge of Chestnut Mountain. As an alternate route, after about a mile into the hike, a short spur trail traverses west, providing climbing access and a spectacular hike or bike ride to the base of Frog Rock. Or continue on past the ridge of Chestnut and go on approximately 6 miles to meet up with Goose Creek. You could shuttle cars between the two trails, or hike or bike back down the way you came. 

Seasonal Conditions
The trail is closed to bikers until June 15, but hikers are welcome year-round. However, unless you've got serious gear or you're looking for an adrenaline rush, this trail is best avoided during the winter; the descent can be dangerous in icy conditions. 

From Bozeman, drive east on I-90 toward Bozeman Pass. At the Trail Creek exit, turn right and bend to the east on Trail Creek Rd. Trailhead parking is on the south side of the road, roughly 200 yards from the Trail Creek exit.

Robert Stone's Chestnut Mountain Map

Map courtesy of Robert Stone's Day Hikes Around Bozeman, Montana.

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