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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

Boundary

Inside Lewis & Clark National Forest
1,187 ft of climbing

3.4 mi one way · 1,187 ft climb · 7,195 ft high point · Moderate

In Lewis & Clark National Forest · Montana · U.S. Forest Service

About Elevation Map Camp near here More hikes

About this hike

Boundary Trail climbs 1,187 feet in 3.4 miles one way through Lewis & Clark National Forest.

Elevation

1,051 ft of gain and 1,187 ft of descent.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

9.3 mi from the trailhead
Forest Lake Camping Area
Campground · Montana
10.0 mi from the trailhead

More hikes nearby

Ranked the same way, within twenty-five miles.

17 mi from you
Trespass
- Ends at Campfire Lake
- Inside Gallatin National Forest
- 2,742 ft of climbing
6.2 mi one way · 2,742 ft climb · Very hard
Gallatin National Forest · Camp 3 mi away
6 mi from you

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

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: 3.4 mi
Shape: One way
Gain: 1,051 ft
Descent: 1,187 ft
High point: 7,195 ft
Low point: 6,260 ft
Difficulty: Moderate
Managed by: U.S. Forest Service
State: Montana
Camps within 15 mi: 2
Trailhead: 46.2849° N · 110.2528° W

Get directions Open the map

Crandall Creek Cabin

Campground · Montana

Crow Creek

Passes Loco Mountain
Inside Gallatin National Forest
3,404 ft of climbing

10.1 mi of trails · 3,404 ft climb · Moderate

Gallatin National Forest · Camp 3 mi away

Mt. Elmo

Passes Mount Elmo
Inside Lewis & Clark National Forest
3,914 ft of climbing

8.8 mi one way · 3,914 ft climb · Moderate

Lewis & Clark National Forest · Camp 2 mi away

Middle Fork Sweet Grass

Ends at Campfire Lake
Inside Gallatin National Forest
1,451 ft of climbing

3.5 mi one way · 1,451 ft climb · Very hard

Gallatin National Forest · Camp 6 mi away

Smeller Lake

Ends at Smeller Lake
Inside Gallatin National Forest
2,062 ft of climbing

2.7 mi one way · 2,062 ft climb · Very hard

Gallatin National Forest · Camp 5 mi away

Sunlight Lake

Ends at Sunlight Lake
1,903 ft of climbing

3.3 mi one way · 1,903 ft climb · Very hard

Montana · Camp 6 mi away

More like this

Hikes that read like this one, wherever they are.

Bighorn
- Inside Lewis & Clark National Forest
- 2,264 ft of climbing
6.4 mi of trails · 2,264 ft climb · Easy
Lewis & Clark National Forest · Camp 7 mi away
Loweth
- Inside Lewis & Clark National Forest
2.3 mi of trails · 697 ft climb · Easy
Lewis & Clark National Forest
Willis Trail
- Inside Lewis & Clark National Forest
- 2,147 ft of climbing
- Camp under a mile away
2.4 mi one way · 2,147 ft climb · Easy
Lewis & Clark National Forest · Camp under a mile away
Uhlhorn
- Near Greathouse Peak
- Inside Lewis & Clark National Forest
- 4,487 ft of climbing
18.8 mi one way · 4,487 ft climb · Easy
Lewis & Clark National Forest · Camp under a mile away

Weather

7-day forecast

Today61°43°Chance Showers And Thunderstorms
Sat45°40°Showers And Thunderstorms
Sun53°39°Chance Rain Showers
Mon60°42°Sunny
Tue63°44°Mostly Sunny
Wed63°44°Sunny
Thu65°44°Sunny

Today: Chance Showers And Thunderstorms · wind 8 mph ENE

National Weather Service · refreshed hourly

Signal

Cell coverage here

VerizonLTE · Fair
AT&TNo signal
T-MobileLTE · Fair

FCC coverage data · signal varies in remote terrain