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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

Cottonwood Lowline

Inside Gallatin National Forest
2,315 ft of climbing

9.2 mi one way · 2,315 ft climb · 6,878 ft high point · Very hard

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

About Elevation Map Camp near here More hikes

About this hike

Cottonwood Lowline is a very difficult 9.2-mile route in Gallatin National Forest gaining 2,315 feet to 6,878 feet.

Elevation

1,849 ft of gain and 2,315 ft of descent.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

5.5 mi from the trailhead
Ibex Cabin
Campground · Montana
9.7 mi from the trailhead

More hikes nearby

Ranked the same way, within twenty-five miles.

9 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
21 mi from you

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: 9.2 mi
Shape: One way
Gain: 1,849 ft
Descent: 2,315 ft
High point: 6,878 ft
Low point: 6,201 ft
Difficulty: Very hard
Managed by: U.S. Forest Service
State: Montana
Camps within 15 mi: 3
Trailhead: 45.9372° N · 110.3757° W

Get directions Open the map

Halfmoon Campground

Campground · Montana

13.0 mi from the trailhead

Porcupine 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

More like this

Hikes that read like this one, wherever they are.

North Cottonwood
- Near Pomp Peak
- Inside Gallatin National Forest
- 4,443 ft of climbing
11.1 mi one way · 4,443 ft climb · Very hard
Gallatin National Forest · Camp 10 mi away
High Lakes
- Inside Gallatin National Forest
- 4,469 ft of climbing
15.6 mi one way · 4,469 ft climb · Very hard
Gallatin National Forest · Camp 7 mi away
Woody Creek
- Inside Gallatin National Forest
- Camp 1 mi away
2.1 mi one way · 928 ft climb · Very hard
Gallatin National Forest · Camp 1 mi away
Cabin Creek
- Inside Gallatin National Forest
- 1,838 ft of climbing
- Camp under a mile away
5.5 mi one way · 1,838 ft climb · Very hard
Gallatin National Forest · Camp under a mile away

Weather

7-day forecast

Today68°51°Partly Sunny
Fri68°47°Showers And Thunderstorms
Sat57°45°Rain Showers
Sun65°46°Mostly Sunny
Mon69°48°Sunny
Tue70°48°Sunny
Wed70°47°Sunny

Today: Partly Sunny then Chance Rain Showers · wind 1 to 12 mph S

National Weather Service · refreshed hourly

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain