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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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Swiftcurrent Creek & Boulder Creek (west of the northern end of Lower Saint Mary Lake, Glacier County, Montana, USA) (20042919506)

Hike

Boulder Lake Trail

Ends at Boulder Lakes
Inside Deerlodge National Forest
1,341 ft of climbing

5.5 mi out & back · 1,341 ft gain · 7,598 ft high point · Moderate

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

About Elevation Highlights Map Camp near here More hikes

About this hike

Boulder Lake Trail reaches Boulder Lakes on a 5.5-mile out and back route in Deerlodge National Forest.

Elevation

1,341 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

7.0 mi from the trailhead
Racetrack Cabin
Campground · Montana

More hikes nearby

Ranked the same way, within twenty-five miles.

15 mi from you
CDT - Idaho & Montana Section
- Ends at Upper Waterton Lake
- Inside Glacier National Park
- 188,201 ft of climbing
968.1 mi one way · 188,201 ft gain · Very hard
Glacier National Park

Out: 1,200 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Boulder LakesDestination · 2.3 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: 5.5 mi
Shape: Out & back
Gain: 1,341 ft round trip
High point: 7,598 ft
Low point: 6,407 ft
Difficulty: ModerateFrom 5.5 mi and 1,341 ft of climbing
Managed by: U.S. Forest Service
State: Montana
Camps within 15 mi: 7
Trailhead: 46.3767° N · 113.1163° W

Get directions Open the map

8.6 mi from the trailhead

Douglas Creek Cabin

Campground · Montana

8.9 mi from the trailhead

Doney Cabin

Campground · Montana

4 mi from you

Trask Lakes

Ends at Alpine Lake
Inside Deerlodge National Forest
2,688 ft of climbing

11.9 mi out & back · 2,688 ft gain · Very hard

Deerlodge National Forest · Camp 4 mi away

Green Lake

Ends at Green Lake
Inside Deerlodge National Forest
1,473 ft of climbing

6.7 mi out & back · 1,473 ft gain · Hard

Deerlodge National Forest · Camp 4 mi away

Pozega Lake

Ends at Big Pozega Lake
Inside Deerlodge National Forest
1,639 ft of climbing

6.5 mi out & back · 1,639 ft gain · Hard

Deerlodge National Forest · Camp under a mile away

South Boulder Trail

Ends at Stewart Lake
Inside Deerlodge National Forest
2,216 ft of climbing

10.3 mi out & back · 2,216 ft gain · Hard

Deerlodge National Forest · Camp 7 mi away

Race Track Creek

Ends at Fisher Lake
Inside Deerlodge National Forest
1,296 ft of climbing

5.8 mi out & back · 1,296 ft gain · Moderate

Deerlodge National Forest · Camp 2 mi away

More like this

Hikes that read like this one, wherever they are.

Boulder Creek Trail
- Inside Deerlodge National Forest
- 1,446 ft of climbing
8.3 mi out & back · 1,446 ft gain · Hard
Deerlodge National Forest · Camp 7 mi away
South Boulder Trail
- Ends at Stewart Lake
- Inside Deerlodge National Forest
- 2,216 ft of climbing
10.3 mi out & back · 2,216 ft gain · Hard
Deerlodge National Forest · Camp 7 mi away
Boulder Lakes
- Near Boulder Baldy
- Inside Helena National Forest
- 5,191 ft of climbing
13.9 mi out & back · 5,191 ft gain · Very hard
Helena National Forest · Camp under a mile away
Boulder Lake
- Ends at Boulder Lake
- Inside Bitterroot National Forest
- 3,512 ft of climbing
19.5 mi out & back · 3,512 ft gain · Very hard
Bitterroot National Forest · 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

Fri51°35°Partly Sunny
Sat42°30°Mostly Cloudy
Sun45°32°Mostly Sunny
Mon41°29°Chance Light Snow
Tue34°26°Chance Light Snow
Wed34°24°Chance Light Snow
Thu31°Chance Light Snow

Fri: Partly Sunny · wind 6 to 9 mph S

National Weather Service · refreshed hourly