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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

Blackmore

Summits Mount Blackmore
Inside Gallatin National Forest
4,939 ft of climbing

20.2 mi out & back · 4,939 ft gain · 10,132 ft high point · Very hard

Via Hyalite Creek, Hyalite Canyon, and Westshore (4.0 mi)

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

About Elevation Highlights Map Camp near here More hikes

About this hike

Blackmore is a 20.2 mile out and back route via Hyalite Creek, Hyalite Canyon, and Westshore to Mount Blackmore in Gallatin National Forest, with Hyalite Reservoir along the way.

Elevation

4,939 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

1.0 mi from the trailhead
Window Rock Cabin
Campground · Montana

More hikes nearby

Ranked the same way, within twenty-five miles.

13 mi from you
Storm Castle MTN
- Summits Storm Castle
- Inside Gallatin National Forest
- 3,054 ft of climbing
9.9 mi out & back · 3,054 ft gain · Very hard
Gallatin National Forest · Camp 2 mi away

Out: 3,760 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Mount BlackmoreDestination · 10.1 mi in
Cresent LakeAlong the way · 2.3 mi in
Hyalite ReservoirAlong the way · 2.9 mi in
Elephant MountainNearby · 9.1 mi in
Kinor PeakNearby · 10.1 mi in

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: 20.2 mi
Shape: Out & back
Gain: 4,939 ft round trip
High point: 10,132 ft
Low point: 6,707 ft
Difficulty: Very hardFrom 20.2 mi and 4,939 ft of climbing
Managed by: U.S. Forest Service
State: Montana
Camps within 15 mi: 19
Trailhead: 45.4476° N · 110.9619° W

Get directions Open the map

1.9 mi from the trailhead

Chisholm Campground

Campground

2.2 mi from the trailhead

Maxey Cabin

Campground · Montana

25 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

Elbow Lake

Ends at Elbow Lake
Inside Gallatin National Forest
4,723 ft of climbing

15.7 mi out & back · 4,723 ft gain · Very hard

Gallatin National Forest · Camp 2 mi away

Pine Creek

Ends at Pine Creek Lake
Inside Gallatin National Forest
3,932 ft of climbing

9.7 mi out & back · 3,932 ft gain · Very hard

Gallatin National Forest · Camp 11 mi away

Crescent Lake

Ends at Hyalite Reservoir
Inside Gallatin National Forest
Camp 1 mi away

7.3 mi loop · 872 ft gain · Moderate

Gallatin National Forest · Camp 1 mi away

More like this

Hikes that read like this one, wherever they are.

Black Crescent
- Ends at Hyalite Reservoir
- Inside Gallatin National Forest
- Camp 1 mi away
7.3 mi loop · 797 ft gain · Moderate
Gallatin National Forest · Camp 1 mi away
Big Creek
- Inside Gallatin National Forest
- 4,968 ft of climbing
- Camp 4 mi away
23.0 mi out & back · 4,968 ft gain · Very hard
Gallatin National Forest · Camp 4 mi away
Blacktail Lake
- Ends at Blacktail Lake
- Inside Gallatin National Forest
- 8,487 ft of climbing
21.7 mi out & back · 8,487 ft gain · Very hard
Gallatin National Forest · Camp 11 mi away
Westshore
- Passes Hyalite Reservoir
- Inside Gallatin National Forest
- 1,022 ft of climbing
8.3 mi out & back · 1,022 ft gain · Hard
Gallatin National Forest · Camp 1 mi away

Weather

7-day forecast

Sun41°34°Rain And Snow
Mon36°24°Light Snow Likely
Tue46°29°Mostly Sunny
Wed45°28°Mostly Sunny
Thu45°28°Mostly Sunny
Fri44°25°Chance Light Snow
Sat43°Sunny

Sun: Rain And Snow · wind 5 to 8 mph E

National Weather Service · refreshed hourly

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain