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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

Two Top Divide

Near Reas Pass
Inside Targhee National Forest
1,970 ft of climbing

13.2 mi one way · 1,970 ft gain · 8,055 ft high point · Very hard

In Targhee National Forest · Idaho · U.S. Forest Service

About Elevation Highlights Map Camp near here More hikes

About this hike

Two Top Divide in Gallatin National Forest is a very difficult 13.3-mile trail with 1,971 feet of climb.

Elevation

1,970 ft of gain and 1,829 ft of descent.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

6.1 mi from the trailhead
Big Springs Grp. Area - Island Park
Campground · Idaho

More hikes nearby

Ranked the same way, within twenty-five miles.

19 mi from you
Observation Point Trail
- Summits Geyser Hill
- Inside Yellowstone National Park
5.0 mi loop · 228 ft gain · Moderate
Yellowstone National Park · Camp 11 mi away
19 mi from you

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

Highlights

What the trail reaches, measured from the start.

Reas PassNearby · 0.0 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: 13.2 mi
Shape: One way
Gain: 1,970 ft
Descent: 1,829 ft
High point: 8,055 ft
Low point: 6,944 ft
Difficulty: Very hard
Managed by: U.S. Forest Service
State: Idaho
Camps within 15 mi: 11
Trailhead: 44.5715° N · 111.1883° W

Get directions Open the map

7.8 mi from the trailhead

Bakers Hole (MT)

Campground

8.1 mi from the trailhead

Big Springs Warming Hut

Cabin & lookout · Utah

Upper Geyser Hill Trail

Summits Geyser Hill
Inside Yellowstone National Park

4.3 mi loop · 95 ft gain · Moderate

Yellowstone National Park · Camp 11 mi away

UGB-Riverside Geyser Overlook Trail

Ends at Variable Spring
Inside Yellowstone National Park

2.4 mi out & back · 92 ft gain · Easy

Yellowstone National Park · Camp 11 mi away

UGB-Biscuit Basin Trail

Ends at Mirror Pool
Inside Yellowstone National Park

4.2 mi out & back · 241 ft gain · Very hard

Yellowstone National Park · Camp 11 mi away

Mystic Falls Trail

Ends at Mystic Falls
Inside Yellowstone National Park

2.7 mi loop · 719 ft gain · Easy

Yellowstone National Park · Camp 11 mi away

Lone Geyser Basin Trail

Ends at Broken Egg Spring
Inside Yellowstone National Park

0.0 mi one way · Moderate

Yellowstone National Park · Camp 8 mi away

Weather

7-day forecast

Fri66°38°Sunny
Sat57°38°Mostly Sunny
Sun62°39°Mostly Cloudy
Mon56°33°Chance Light Rain
Tue56°33°Mostly Sunny
Wed57°33°Sunny
Thu57°Sunny

Fri: Sunny · wind 3 to 14 mph S

National Weather Service · refreshed hourly

Signal

Cell coverage here

VerizonLTE · Poor

FCC coverage data · signal varies in remote terrain

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