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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.

Leave it better than you found it.

Unnamed lake 400 m NW of Minnie Lake

Hike

Sentinel Creek

Ends at Expedition Pass
Inside Gallatin National Forest
3,880 ft of climbing

15.2 mi out & back, trail only · 3,880 ft gain · 10,125 ft high point · Very hard

Reached by a 10.6 mi approach each way

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

About Elevation Highlights Map Camp near here More hikes

About this hike

Sentinel Creek is a 15.2-mile out and back trail reaching Expedition Pass in Gallatin National Forest, climbing 3,880 feet with Sentinel Peak nearby.

Elevation

3,880 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

0.8 mi from the trailhead
Beaver Creek Cabin (Mt)
Campground · Montana

More hikes nearby

Ranked the same way, within twenty-five miles.

16 mi from you
Black Butte Trail
- Ends at a viewpoint
- Inside Yellowstone National Park
- 3,241 ft of climbing
11.7 mi out & back · 3,241 ft gain · Very hard
Yellowstone National Park · Camp 7 mi away

Out: 3,200 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Expedition PassDestination · 7.6 mi in
Sentinel PeakNearby · 4.9 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. Photos: Wikimedia Commons contributors, licensed as shown on each photo. Download the trail and feature data.

At a glance

Length: 15.2 mi, trail only
Shape: Out & back
Gain: 3,880 ft round trip
High point: 10,125 ft
Low point: 7,121 ft
Difficulty: Very hardFrom 15.2 mi and 3,880 ft of climbing
Managed by: U.S. Forest Service
State: Montana
Camps within 15 mi: 14
Trailhead: 44.9274° N · 111.3600° W

Get directions Open the map

3.9 mi from the trailhead

Cabin Creek Campground

Campground

4.6 mi from the trailhead

Beaver Creek Campground

Campground

20 mi from you

WE5 Campsite Spur Trail

Ends at Shelf Lake
Inside Yellowstone National Park
2,444 ft of climbing

15.8 mi out & back · 2,444 ft gain · Very hard

Yellowstone National Park · Camp 8 mi away

WE7 Campsite Spur Trail

Ends at Shelf Lake
Inside Yellowstone National Park
2,419 ft of climbing

15.7 mi out & back · 2,419 ft gain · Very hard

Yellowstone National Park · Camp 8 mi away

Cinnamon Lookout

Summits Cinnamon Mountain
Inside Gallatin National Forest
3,147 ft of climbing

15.1 mi out & back · 3,147 ft gain · Very hard

Gallatin National Forest · Camp under a mile away

Little Wapiti

Summits Pika Point
Inside Gallatin National Forest
2,877 ft of climbing

15.1 mi loop · 2,877 ft gain · Very hard

Gallatin National Forest · Camp under a mile away

Sky Rim Trail

Passes Big Horn Peak
Inside Yellowstone National Park
7,202 ft of climbing

20.5 mi out & back · 7,202 ft gain · Very hard

Yellowstone National Park · Camp 4 mi away

More like this

Hikes that read like this one, wherever they are.

Bark Cabin
- Passes The Sentinel
- Inside Gallatin National Forest
- 3,701 ft of climbing
11.7 mi loop · 3,701 ft gain · Very hard
Gallatin National Forest · Camp 5 mi away
Gallatin Crest
- Passes The Sentinel
- Inside Gallatin National Forest
- 6,576 ft of climbing
21.9 mi one way · 6,576 ft gain · Very hard
Gallatin National Forest · Camp 4 mi away
Passage Creek
- Passes Passage Falls
- Inside Gallatin National Forest
- 4,203 ft of climbing
17.5 mi out & back · 4,203 ft gain · Very hard
Gallatin National Forest · Camp 2 mi away
Canyon Creek
- Inside Gallatin National Forest
- 8,936 ft of climbing
23.2 mi out & back · 8,936 ft gain · Very hard
Gallatin National Forest · Camp 11 mi away

Weather

7-day forecast

Today44°26°Mostly Cloudy
Mon44°28°Partly Sunny
Tue42°25°Mostly Sunny
Wed46°26°Mostly Sunny
Thu50°28°Mostly Sunny
Fri46°27°Mostly Sunny
Sat43°28°Mostly Sunny

Today: Mostly Cloudy · wind 9 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