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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

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Hike

East Trunk

Near Black Butte
3,777 ft of climbing
Camp 5 mi away

11.3 mi one way · 3,777 ft climb · 7,360 ft high point · Very hard

Montana · U.S. Forest Service

About Elevation Highlights Map Camp near here More hikes

About this hike

East Trunk is an 11.3-mile very difficult trail near Black Butte.

Elevation

3,777 ft of gain and 3,645 ft of descent.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

4.8 mi from the trailhead
Halfmoon Campground
Campground · Montana
13.1 mi from the trailhead

More hikes nearby

Ranked the same way, within twenty-five miles.

12 mi from you
Trespass
- Ends at Campfire Lake
- Inside Gallatin National Forest
- 2,742 ft of climbing
6.2 mi one way · 2,742 ft climb · Very hard
Gallatin National Forest · Camp 3 mi away
13 mi from you

Elevation along the trail from the start. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Black ButteNearby · 2.6 mi in

Map

The route at the trailhead. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Download the trail and feature data.

At a glance

Length: 11.3 mi
Shape: One way
Gain: 3,777 ft
Descent: 3,645 ft
High point: 7,360 ft
Low point: 5,733 ft
Difficulty: Very hard
Managed by: U.S. Forest Service
State: Montana
Camps within 15 mi: 4
Trailhead: 46.0903° N · 110.1689° W

Get directions Open the map

Crandall Creek Cabin

Campground · Montana

14.4 mi from the trailhead

Ibex Cabin

Campground · Montana

Crow Creek

Passes Loco Mountain
Inside Gallatin National Forest
3,404 ft of climbing

10.1 mi of trails · 3,404 ft climb · Moderate

Gallatin National Forest · Camp 3 mi away

Mt. Elmo

Passes Mount Elmo
Inside Lewis & Clark National Forest
3,914 ft of climbing

8.8 mi one way · 3,914 ft climb · Moderate

Lewis & Clark National Forest · Camp 2 mi away

Middle Fork Sweet Grass

Ends at Campfire Lake
Inside Gallatin National Forest
1,451 ft of climbing

3.5 mi one way · 1,451 ft climb · Very hard

Gallatin National Forest · Camp 6 mi away

Smeller Lake

Ends at Smeller Lake
Inside Gallatin National Forest
2,062 ft of climbing

2.7 mi one way · 2,062 ft climb · Very hard

Gallatin National Forest · Camp 5 mi away

Sunlight Lake

Ends at Sunlight Lake
1,903 ft of climbing

3.3 mi one way · 1,903 ft climb · Very hard

Montana · Camp 6 mi away

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain

More like this

Hikes that read like this one, wherever they are.

Trapper Creek
- Near West Trapper Ridge Overlook
- Inside Bitterroot National Forest
- 1,792 ft of climbing
4.8 mi one way · 1,792 ft climb · Very hard
Bitterroot National Forest · Camp 10 mi away
East Bridger South
- 1,794 ft of climbing
- Camp 4 mi away
9.1 mi one way · 1,794 ft climb · Very hard
Montana · Camp 4 mi away
Little Trapper
- Inside Bitterroot National Forest
- 1,672 ft of climbing
7.0 mi of trails · 1,672 ft climb · Easy
Bitterroot National Forest · Camp 9 mi away
East Fork Blacktail Creek
- 2,120 ft of climbing
- Camp 4 mi away
6.2 mi one way · 2,120 ft climb · Easy
Montana · Camp 4 mi away

Weather

7-day forecast

Mon61°43°Patchy Fog
Tue65°49°Mostly Sunny
Wed65°48°Sunny
Thu69°50°Sunny
Fri69°45°Mostly Sunny
Sat55°38°Chance Rain Showers
Sun53°Slight Chance Rain Showers

Mon: Patchy Fog then Sunny · wind 3 to 9 mph SSW

National Weather Service · refreshed hourly