Are dogs allowed on Fourmile?

Yes, dogs are allowed on Fourmile but must be kept on a leash at all times. Pack out waste and respect wildlife.

Do I need a permit to hike Fourmile?

No, Fourmile does not currently require a permit. Still check for seasonal closures or day-use fees with the managing agency before heading out.

How difficult is Fourmile?

Fourmile is rated expert. It is 6.1 miles long with 2,736 feet of elevation gain. Difficulty ratings reflect a combination of distance, elevation gain, and terrain — your experience will depend on your fitness level and trail conditions.

What is the best season to hike Fourmile?

Fourmile is best hiked in summer and fall. Conditions vary year to year — check the trail status and weather forecast before your visit.

Is Fourmile suitable for kids?

Fourmile is not typically recommended for young children due to length, exposure, or technical terrain. Older kids with hiking experience may be fine — use your judgment based on your family's comfort level.

Status unknown — verify before visiting

We don't have current condition data for this trail. Check with the land manager before you go.

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Gallatin National Forest/Montana

Fourmile

6.1 mi

Distance

2,736 ft

Elev. Gain

3h 24m

Est. Time

Expert

Difficulty

About This Trail

The Fourmile Trail is an advanced hike located in the Rocky Mountains in Montana. With an elevation gain of 834 meters (2736 feet) over 6.1 miles, this trail offers a challenging experience suitable for experienced hikers. The trail climaxes at an elevation of 2945 meters (9658 feet), providing expansive views of the surrounding mountainous terrain. Known for its natural beauty, the trail is managed by the U.S. Forest Service, indicating a typical forested setting.

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

No recent condition reports. Be the first to share what you see on the trail.

Hazards & Warnings

steep elevation gainhigh altitude

Elevation Profile

Min:2,124 ft

Max:2,945 ft

855 ft

45 ft

Trail Details

Dogs on leash

Surface: Dirt

Official sources & verification

Managed by United States Forest Service

Verify before you go

Managing agency

United States Forest Service
Find offices, alerts, and current orders for this agency.

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Address:MT

Best Seasons

Summer Fall

Highlights

forest settingmountain views

Reviews

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Imported route

Hunt context

This trail crosses hunting units

During hunting seasons, wear blaze orange and check regulations — see the Montana hunting page

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