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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

Poison Headwaters

Inside Beaverhead National Forest
2,186 ft of climbing

11.4 mi out & back · 2,186 ft gain · 8,991 ft high point · Hard

In Beaverhead National Forest · Montana · U.S. Forest Service

About Elevation Map Camp near here More hikes

About this hike

This 11.4-mile out and back trail in Beaverhead National Forest climbs 2,186 feet to 8,991 feet.

Elevation

2,186 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

6.6 mi from the trailhead
Notch Cabin
Campground · Montana

More hikes nearby

Ranked the same way, within twenty-five miles.

24 mi from you
Papoose Creek
- Ends at Cradle Lakes
- 4,230 ft of climbing
- Camp under a mile away
16.9 mi out & back · 4,230 ft gain · Very hard
Montana · Camp under a mile away
15 mi from you

Out: 2,090 ft up, returns the same way. Source: USGS 3DEP.

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: 11.4 mi
Shape: Out & back
Gain: 2,186 ft round trip
High point: 8,991 ft
Low point: 6,892 ft
Difficulty: HardFrom 11.4 mi and 2,186 ft of climbing
Managed by: U.S. Forest Service
State: Montana
Camps within 15 mi: 5
Trailhead: 44.8741° N · 112.0037° W

Get directions Open the map

7.4 mi from the trailhead

West Fork Cabin (S of Ennis)

Campground · Montana

9.2 mi from the trailhead

Black Butte Cabin

Campground · Montana

Freezeout Mountain

Near Freezeout Mountain
Inside Beaverhead National Forest
3,879 ft of climbing

15.7 mi out & back · 3,879 ft gain · Very hard

Beaverhead National Forest · Camp 4 mi away

Lobo Mesa

Passes Divide Mountain
4,356 ft of climbing
Camp 3 mi away

14.7 mi one way · 4,356 ft gain · Very hard

Montana · Camp 3 mi away

Snowcrest

Passes Snowcrest Mountain
Inside Beaverhead National Forest
12,271 ft of climbing

38.3 mi one way · 12,271 ft gain · Very hard

Beaverhead National Forest · Camp 2 mi away

South Fork Ruby

Near Flatiron Mountain
Inside Beaverhead National Forest
3,309 ft of climbing

11.1 mi out & back · 3,309 ft gain · Very hard

Beaverhead National Forest · Camp 3 mi away

Cascade Mountain

Near Cascade Mountain
Inside Beaverhead National Forest
2,981 ft of climbing

13.8 mi out & back · 2,981 ft gain · Very hard

Beaverhead National Forest · Camp 4 mi away

More like this

Hikes that read like this one, wherever they are.

Grouse Lakes
- Inside Beaverhead National Forest
- 1,909 ft of climbing
5.5 mi out & back · 1,909 ft gain · Hard
Beaverhead National Forest · Camp 9 mi away
Bear Gulch
- Inside Beaverhead National Forest
- 1,868 ft of climbing
6.8 mi out & back · 1,868 ft gain · Hard
Beaverhead National Forest · Camp 6 mi away
Twin Lakes
- Inside Beaverhead National Forest
- Camp under a mile away
6.7 mi out & back · 598 ft gain · Moderate
Beaverhead National Forest · Camp under a mile away
DRY Creek
- Inside Beaverhead National Forest
- 1,209 ft of climbing
- Camp 4 mi away
7.2 mi out & back · 1,209 ft gain · Hard
Beaverhead National Forest · Camp 4 mi away

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain

Weather

7-day forecast

Fri40°25°Mostly Sunny
Sat47°29°Mostly Sunny
Sun45°28°Mostly Sunny
Mon45°29°Partly Sunny
Tue45°29°Mostly Sunny
Wed47°30°Mostly Sunny
Thu48°Mostly Sunny

Fri: Mostly Sunny · wind 5 to 9 mph SSE

National Weather Service · refreshed hourly