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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

South Boulder Trail

Ends at Stewart Lake
Inside Deerlodge National Forest
1,799 ft of climbing

5.2 mi one way · 1,799 ft climb · 6,806 ft high point · Easy

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

About Elevation Highlights Map Camp near here More hikes

About this hike

South Boulder Trail reaches Stewart Lake in 5.2 miles through Deerlodge National Forest. This easy route gains 1,799 feet.

Elevation

485 ft of gain and 1,799 ft of descent.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

9.6 mi from the trailhead
Flint Creek Campground
Campground · Montana

More hikes nearby

Ranked the same way, within twenty-five miles.

24 mi from you
Dome Shaped Mountain
- Summits Dome Shaped Mountain
- Inside Deerlodge National Forest
- 2,991 ft of climbing
5.7 mi one way · 2,991 ft climb · Easy
Deerlodge National Forest · Camp 3 mi away
10 mi from you

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

Highlights

What the trail reaches, measured from the start.

Stewart LakeDestination · 0.1 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: 5.2 mi
Shape: One way
Gain: 485 ft
Descent: 1,799 ft
High point: 6,806 ft
Low point: 5,407 ft
Difficulty: Easy
Managed by: U.S. Forest Service
State: Montana
Camps within 15 mi: 8
Trailhead: 46.3649° N · 113.2330° W

Get directions Open the map

10.7 mi from the trailhead

Lodgepole Campground (on Georgetown Lake, Montana)

Campground

10.8 mi from the trailhead

Douglas Creek Cabin

Campground · Montana

Trask Lakes

Ends at Alpine Lake
Inside Deerlodge National Forest
1,984 ft of climbing

6.1 mi one way · 1,984 ft climb · Easy

Deerlodge National Forest · Camp 4 mi away

Twin Lakes

Ends at Storm Lake
Inside Deerlodge National Forest
2,192 ft of climbing

8.7 mi one way · 2,192 ft climb · Easy

Deerlodge National Forest · Camp 4 mi away

Eightmile/harvey Trail

Summits Sliderock Mountain
Inside Lolo National Forest
1,698 ft of climbing

4.1 mi one way · 1,698 ft climb · Easy

Lolo National Forest

Basin Gulch Trail

Ends at Fuse Lake
Inside Deerlodge National Forest
1,857 ft of climbing

7.3 mi one way · 1,857 ft climb · Easy

Deerlodge National Forest · Camp 4 mi away

Butte Cabin Ridge

Passes Butte Cabin Ridge
Inside Lolo National Forest
4,802 ft of climbing

9.3 mi one way · 4,802 ft climb · Very hard

Lolo National Forest · Camp 5 mi away

More like this

Hikes that read like this one, wherever they are.

Boulder Lake Trail
- Ends at Boulder Lakes
- Inside Deerlodge National Forest
- 1,238 ft of climbing
2.8 mi one way · 1,238 ft climb · Easy
Deerlodge National Forest · Camp 7 mi away
South Fork Trail
- Inside Deerlodge National Forest
- 1,364 ft of climbing
5.7 mi one way · 1,364 ft climb · Easy
Deerlodge National Forest · Camp 7 mi away
Stony Lake Trail
- Passes Stony Lake
- Inside Deerlodge National Forest
- 2,322 ft of climbing
4.6 mi one way · 2,322 ft climb · Easy
Deerlodge National Forest · Camp 5 mi away
Boulder Creek Trail
- Inside Deerlodge National Forest
- 1,226 ft of climbing
4.4 mi one way · 1,226 ft climb · Easy
Deerlodge National Forest · Camp 7 mi away

Weather

7-day forecast

Fri55°46°Slight Chance Rain Showers
Sat48°43°Rain Showers
Sun60°45°Sunny
Mon62°47°Sunny
Tue60°44°Mostly Sunny
Wed59°44°Sunny
Thu61°Sunny

Fri: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms · wind 2 to 7 mph WSW

National Weather Service · refreshed hourly

Signal

Cell coverage here

VerizonLTE · Poor

FCC coverage data · signal varies in remote terrain