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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

Colley Creek

Near Colley Lake
Inside Gallatin National Forest
1,765 ft of climbing

3.5 mi one way · 1,765 ft climb · 8,366 ft high point · Very hard

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

About Elevation Highlights Map Camp near here More hikes

About this hike

Colley Creek ascends 3.5 miles near Colley Lake in Gallatin National Forest on very difficult terrain.

Elevation

1,765 ft of gain and 71 ft of descent.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

5.0 mi from the trailhead
Mill Creek Cabin
Campground · Montana

More hikes nearby

Ranked the same way, within twenty-five miles.

24 mi from you
Sepulcher Mountain Trail
- Summits Sepulcher Mountain
- Inside Yellowstone National Park
- 3,462 ft of climbing
7.6 mi of trails · 3,462 ft climb · Moderate
Yellowstone National Park · Camp 4 mi away

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

Highlights

What the trail reaches, measured from the start.

Colley LakeNearby · 2.8 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: 3.5 mi
Shape: One way
Gain: 1,765 ft
Descent: 71 ft
High point: 8,366 ft
Low point: 6,672 ft
Difficulty: Very hard
Managed by: U.S. Forest Service
State: Montana
Camps within 15 mi: 5
Trailhead: 45.2576° N · 110.4524° W

Get directions Open the map

7.3 mi from the trailhead

Pine Creek Campground

Campground

8.7 mi from the trailhead

Snowbank Campground

Campground

23 mi from you

Mammoth Terraces Trail

Summits Capitol Hill
Inside Yellowstone National Park
Camp under a mile away

1.7 mi of trails · 285 ft climb · Moderate

Yellowstone National Park · Camp under a mile away

Tower Falls Trail

Ends at Tower Fall
Inside Yellowstone National Park
Camp under a mile away

2.5 mi of trails · 442 ft climb · Very hard

Yellowstone National Park · Camp under a mile away

Opal Terrace Trail

Summits Capitol Hill
Inside Yellowstone National Park
Camp under a mile away

0.1 mi one way · Easy

Yellowstone National Park · Camp under a mile away

YCC Trail

Summits Capitol Hill
Inside Yellowstone National Park
Camp under a mile away

1.1 mi one way · 208 ft climb · Easy

Yellowstone National Park · Camp under a mile away

Howard Eaton Trail: Mammoth-Golden Gate

Ends at a viewpoint
Inside Yellowstone National Park
1,225 ft of climbing

3.9 mi of trails · 1,225 ft climb · Easy

Yellowstone National Park · Camp 3 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.

Lambert Creek
- Passes Colley Lake
- Inside Gallatin National Forest
- 3,287 ft of climbing
10.5 mi one way · 3,287 ft climb · Very hard
Gallatin National Forest · Camp 6 mi away
Camp Creek
- Inside Gallatin National Forest
- 2,440 ft of climbing
- Camp 2 mi away
5.4 mi one way · 2,440 ft climb · Very hard
Gallatin National Forest · Camp 2 mi away
Mile Creek
- Inside Gallatin National Forest
- 2,577 ft of climbing
5.8 mi one way · 2,577 ft climb · Very hard
Gallatin National Forest · Camp 7 mi away
Colter Creek
- Inside Salmon National Forest
- 1,117 ft of climbing
- Camp 3 mi away
3.5 mi one way · 1,117 ft climb · Very hard
Salmon National Forest · Camp 3 mi away

Weather

7-day forecast

Thu72°50°Chance Showers And Thunderstorms
Fri67°47°Showers And Thunderstorms
Sat57°45°Showers And Thunderstorms
Sun64°44°Slight Chance Rain Showers
Mon68°45°Sunny
Tue69°45°Sunny
Wed69°Sunny

Thu: Chance Showers And Thunderstorms · wind 8 mph S

National Weather Service · refreshed hourly