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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

Middle Fork Boulder

Near Iron Mountain
Inside Kaniksu National Forest
3,391 ft of climbing

9.0 mi out & back · 3,705 ft gain · 6,117 ft high point · Very hard

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

About Elevation Highlights Map Camp near here More hikes

About this hike

Middle Fork Boulder climbs 3,391 ft in 4.5 mi on this very difficult trail in Kaniksu National Forest.

Elevation

3,705 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

8.0 mi from the trailhead
Yaak River Campground (MT)
Campground · Montana

More hikes nearby

Ranked the same way, within twenty-five miles.

24 mi from you
Chimney Rock
- Summits Chimney Rock Middle Cairn
- Inside Kaniksu National Forest
- 2,902 ft of climbing
9.4 mi out & back · 3,164 ft gain · Very hard
Kaniksu National Forest · Camp 12 mi away

Out: 3,250 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Iron MountainNearby · 3.5 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: 9.0 mi
Shape: Out & back
Gain: 3,705 ft round trip
High point: 6,117 ft
Low point: 3,039 ft
Difficulty: Very hard
Managed by: U.S. Forest Service
State: Idaho
Camps within 15 mi: 5
Trailhead: 48.5857° N · 116.1441° W

Get directions Open the map

10.3 mi from the trailhead

Yaak Mtn. Lookout Rental

Campground · Montana

11.7 mi from the trailhead

Kilbrennan Lake Campground

Campground · Idaho

21 mi from you

Grambauer

Summits Grambauer Mountain
Inside Cabinet Mountains Wilderness
5,400 ft of climbing

13.3 mi out & back · 5,990 ft gain · Very hard

Cabinet Mountains Wilderness · Camp 11 mi away

Pend Oreille Divide

Summits Lunch Peak
Inside Kaniksu National Forest
3,308 ft of climbing

20.9 mi out & back · 5,449 ft gain · Very hard

Kaniksu National Forest · Camp under a mile away

Caribou Creek

Summits Smith Mountain
Inside Kootenai National Forest
3,702 ft of climbing

10.6 mi out & back · 4,655 ft gain · Very hard

Kootenai National Forest · Camp 5 mi away

Baldy Mountain

Summits Mount Baldy
Inside Kootenai National Forest
3,660 ft of climbing

7.7 mi out & back · 3,710 ft gain · Very hard

Kootenai National Forest · Camp under a mile away

Roderick Ridge/independence

Summits Pleasant View Mountain
Inside Kootenai National Forest
3,757 ft of climbing

12.7 mi out & back · 4,266 ft gain · Very hard

Kootenai National Forest · Camp 3 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

Thu70°53°Mostly Sunny
Fri59°42°Rain Showers
Sat51°39°Chance Rain Showers
Sun55°40°Partly Sunny
Mon54°40°Mostly Sunny
Tue55°42°Mostly Sunny
Wed57°Partly Sunny

Thu: Mostly Sunny · wind 2 mph SE

National Weather Service · refreshed hourly

More like this

Hikes that read like this one, wherever they are.

East Fork Boulder
- Summits Middle Mountain
- Inside Kaniksu National Forest
- 4,302 ft of climbing
16.0 mi out & back · 5,028 ft gain · Very hard
Kaniksu National Forest · Camp 6 mi away
West Fork Mountain
- Near West Fork Mountain
- Inside Kaniksu National Forest
- 1,676 ft of climbing
13.9 mi out & back · 3,773 ft gain · Very hard
Kaniksu National Forest · Camp 6 mi away
Boulder Creek
- Inside Kaniksu National Forest
- 2,273 ft of climbing
22.4 mi out & back · 4,396 ft gain · Very hard
Kaniksu National Forest · Camp 6 mi away
Boulder Meadows
- Inside Kaniksu National Forest
2.1 mi out & back · 276 ft gain · Very hard
Kaniksu National Forest · Camp 12 mi away