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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

Sixmile Sidehill

21.8 mi out & back · 6,016 ft gain · 6,199 ft high point · Very hard

From Hall Lake Trailhead via the Hall Lake Trail, Alpine 7, and Sixmile Lookout (8.4 mi)

Montana · U.S. Forest Service

Elevation Map Camp near here More hikes

Elevation

6,016 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

1.2 mi from the trailhead
Swan Lake Campground
Campground · Montana

More hikes nearby

Ranked the same way, within twenty-five miles.

15 mi from you
Mt. Aeneas
- Summits Mount Aeneas
- Inside Flathead National Forest
- 2,091 ft of climbing
6.6 mi loop · 2,091 ft gain · Hard
Flathead National Forest · Camp 6 mi away

Out: 3,000 ft up, returns the same way. Source: USGS 3DEP.

Map

The hike from its start, the approach dashed. 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: 21.8 mi
Shape: Out & back
Gain: 6,016 ft round trip
High point: 6,199 ft
Low point: 3,486 ft
Difficulty: Very hardFrom 21.8 mi and 6,016 ft of climbing
Managed by: U.S. Forest Service
State: Montana
Start: Hall Lake Trailhead
Trailhead: 47.9370° N · 113.8247° W

Get directions Open the map

2.0 mi from the trailhead

Swan Guard Station

Campground · Montana

3.7 mi from the trailhead

Mission Lookout

Campground · Montana

20 mi from you

Spruce Lookout

Summits Spruce Point
Inside Great Bear Wilderness
2,258 ft of climbing

5.9 mi out & back · 2,258 ft gain · Hard

Great Bear Wilderness · Camp 7 mi away

Meadow Mtn.

Summits Meadow Mountain
Inside Flathead National Forest
4,890 ft of climbing

11.9 mi out & back · 4,890 ft gain · Very hard

Flathead National Forest · Camp 9 mi away

Tongue Mtn.

Summits Tongue Mountain
Inside Flathead National Forest
3,672 ft of climbing

16.3 mi loop · 3,655 ft gain · Very hard

Flathead National Forest · Camp 6 mi away

SPY Mtn.

Summits Spy Mountain
Inside Flathead National Forest
2,910 ft of climbing

9.1 mi out & back · 2,910 ft gain · Very hard

Flathead National Forest · Camp 5 mi away

Gunsight Peak

Passes Gunsight Peak
Inside Great Bear Wilderness
4,628 ft of climbing

15.9 mi out & back · 4,628 ft gain · Very hard

Great Bear Wilderness · Camp 5 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

Today62°37°Patchy Fog
Thu64°35°Mostly Cloudy
Fri61°35°Partly Sunny
Sat53°34°Chance Light Rain
Sun51°33°Partly Sunny
Mon50°33°Slight Chance Light Rain
Tue44°Chance Rain And Snow

Today: Patchy Fog then Partly Sunny · wind 1 mph SE

National Weather Service · refreshed hourly