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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

Hells Half Acre Mountain

Inside Bitterroot National Forest

2.5 mi one way · 631 ft climb · 7,906 ft high point · Very hard

In Bitterroot National Forest · Idaho · U.S. Forest Service

About Elevation Map Camp near here More hikes

About this hike

Hells Half Acre Mountain is a very difficult 2.5-mile trail in Bitterroot National Forest reaching 7,906 feet.

Elevation

596 ft of gain and 631 ft of descent.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

6.8 mi from the trailhead
Magruder Rangers House
Campground · Montana

More hikes nearby

Ranked the same way, within twenty-five miles.

22 mi from you
Trapper Peak
- Summits Trapper Peak
- Inside Selway-Bitterroot Wilderness
- 3,787 ft of climbing
4.2 mi one way · 3,787 ft climb · Very hard
Selway-Bitterroot Wilderness · Camp 7 mi away

Elevation along the trail from the start. 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: 2.5 mi
Shape: One way
Gain: 596 ft
Descent: 631 ft
High point: 7,906 ft
Low point: 7,460 ft
Difficulty: Very hard
Managed by: U.S. Forest Service
State: Idaho
Camps within 15 mi: 4
Trailhead: 45.6461° N · 114.6016° W

Get directions Open the map

10.3 mi from the trailhead

Fales Flat Campground

Campground · Montana

13.3 mi from the trailhead

Wendover Campground

Campground

19 mi from you

Eagle Ridge

Summits Three Prong Mountain
Inside Selway-Bitterroot Wilderness
4,174 ft of climbing

8.7 mi one way · 4,174 ft climb · Easy

Selway-Bitterroot Wilderness · Camp 7 mi away

Little Boulder

Summits Piquett Mountain
Inside Bitterroot National Forest
4,092 ft of climbing

6.1 mi of trails · 4,092 ft climb · Very hard

Bitterroot National Forest · Camp 3 mi away

Grass Ridge

Summits Hells Half Acre Mountain
Inside Bitterroot National Forest
3,859 ft of climbing

6.3 mi one way · 3,859 ft climb · Very hard

Bitterroot National Forest · Camp 4 mi away

Bare Cone

Summits Bare Cone
Inside Bitterroot National Forest
2,795 ft of climbing

3.3 mi of trails · 2,795 ft climb · Very hard

Bitterroot National Forest · Camp under a mile away

Drop Creek

Ends at Overwich Falls
Inside Bitterroot National Forest
2,692 ft of climbing

7.3 mi of trails · 2,692 ft climb · Very hard

Bitterroot National Forest · Camp 5 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.

Hells Half-Salmon Mountain
- Ends at Hells Half Acre Saddle
- Inside Bitterroot National Forest
- 5,780 ft of climbing
15.8 mi one way · 5,780 ft climb · Very hard
Bitterroot National Forest · Camp 4 mi away
Grass Ridge
- Summits Hells Half Acre Mountain
- Inside Bitterroot National Forest
- 3,859 ft of climbing
6.3 mi one way · 3,859 ft climb · Very hard
Bitterroot National Forest · Camp 4 mi away
High Lake
- Ends at High Lake
- Inside Bitterroot National Forest
- 2,020 ft of climbing
2.3 mi one way · 2,020 ft climb · Very hard
Bitterroot National Forest · Camp 5 mi away
Elk Ridge
- Inside Bitterroot National Forest
- 1,475 ft of climbing
2.7 mi of trails · 1,475 ft climb · Very hard
Bitterroot National Forest · Camp 6 mi away

Weather

7-day forecast

Thu64°44°Mostly Sunny
Fri53°40°Chance Light Rain
Sat52°40°Light Rain Likely
Sun60°42°Sunny
Mon60°42°Sunny
Tue59°41°Sunny
Wed59°Sunny

Thu: Mostly Sunny then Chance Showers And Thunderstorms · wind 6 to 10 mph SSE

National Weather Service · refreshed hourly