Chestnut Mountain Trail

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Chestnut Trail


Length:
10 miles (round-trip to the ridge)

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


About
This trail—part of which is private property protected since 1991 by the GVLT’s first conservation easement—passes the spectacular Frog Rock pinnacles to the ridge of Chestnut Mountain. The trail follows Bear Creek through the canyon, winding through grassy meadows to ascend Chesnut Mountain from the southern end, following the ridge to beautiful views of the surrounding mountains. As an alternate route, after about a mile into the hike, a short spur traverses west, providing climbing access and a spectacular hike or bike ride to the base of Frog Rock.

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

Directions
From Bozeman, drive east on I-90 toward Bozeman Pass. At the Trail Creek exit (exit 316), turn right and bend to the east on Trail Creek Rd. Trailhead parking is on the right 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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