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Selway-Bitterroot Wilderness

The Bitterroot Mountains form a rugged, glacier-carved border between Idaho and Montana. On both sides of this border is the Selway-Bitterroot Wilderness, the third largest Wilderness in the Lower 48....

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Region
ID/MT, USA
Country
United States
Best for
hiking
Best season
Spring, Summer
Permits
Selway River floating permits are required…
Managed by
U.S. Forest Service; Bitterroot National Forest administers the Selway River floating permit.

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Photos of Selway-Bitterroot Wilderness

Whitetail doe in forest, Bear Creek Pass, Selway-Bitterroot, July 1981.
Photo: NRCS Montana · Public Domain Mark

How to get there

Plan access around the intended activity and side of the wilderness. Trails enter from both Idaho and Montana; the Selway River float uses Paradise Launch Site and Race Creek Take-out. Confirm road conditions, trail conditions, and river shuttle arrangements before departure. The Magruder Corridor is an unimproved dirt road separating the Selway-Bitterroot from the Frank Church-River of No Return Wilderness.

  • Paradise Launch Site

    Launch point for the technical Selway River float to Race Creek Take-out. Arrange transport and assess river conditions before committing to this remote whitewater trip.

  • Race Creek Take-out

    Take-out for the Selway River float from Paradise Launch Site. Include vehicle retrieval and shuttle logistics in the trip plan.

Sources: recreation.gov · University of Montana / federal agency partners · Wilderness Connect / federal wilderness boundary inventory. Confirm road and trailhead conditions with the managing agency before you leave.

ID/MT, USA · United States

Known for
  • Rafting
  • Hunting
  • Climbing
  • Mountaineering
  • Hiking
  • Wildlife Viewing
  • Backpacking
  • Canoeing
State
ID/MT
Managing agency
FS
Designated
1964
Map location
Sourced point inside the wilderness boundary — not a trailhead or campsite

Granite ridges, deep canyons, and two-state wilderness

The Selway-Bitterroot Wilderness spans the rugged, glacier-carved Bitterroot Mountains along the Idaho–Montana border. High granite peaks rise above ridges and deep, forested canyons, while sheltered low valleys hold old-growth cedar, fir, and spruce. Ponderosa pine occupies open grassy slopes beside the rivers. The landscape is not uniformly alpine: a trip can involve dense valley forest as well as exposed mountain terrain, so clothing and equipment should suit substantial changes in elevation and exposure. The unimproved dirt road known as the Nez Perce Trail, or Magruder Corridor, separates this wilderness from the Frank Church-River of No Return Wilderness. Large trailless areas remain little visited. Elk, deer, moose, black bears, mountain lions, and wolves inhabit the area; give wildlife space and plan secure food storage.

Foot and stock travel requires flexible plans

Approximately 1,800 miles of trails provide access from both the Montana and Idaho sides of the mountains, but that extensive network does not mean consistently easy travel. Many trails are rugged and unmaintained, and large parts of the wilderness have no trails at all. Foot and stock travelers should choose an itinerary around current trail information, navigation skills, and the group's ability to handle difficult ground rather than mileage alone. Carry navigation tools that work without a phone connection, allow extra time for uncertain trail conditions, and leave a clear trip plan with someone outside the group. The combination of deep canyons, thick forest, and high ridges favors conservative daily goals. Practice low-impact camping and avoid turning an uncertain route into a commitment the group cannot safely reverse.

The Selway River: technical water and controlled launches

The Selway River runs for 47 miles through the wilderness and demands experienced, self-reliant boaters. Between Paradise Launch Site and Race Creek Take-out, it drops an average of 28 feet per mile. Exposed and barely submerged rocks, sustained whitewater, and few quiet recovery pools leave little margin for mistakes. Below Moose Creek, greater flow and a gradient of 50 feet per mile create an especially demanding technical section. Do not expect mobile service. Floating permits are required from May 15 through July 31, with one party of up to 16 people allowed to launch each day. Outside that control season, permits are not required and groups are limited to 20. Assess snowpack and river flow when choosing a launch date; the Lowell gauge does not directly correspond to the Paradise foot gauge.

hiking

Where on earth

Satellite imagery flying in from a world view to Selway-Bitterroot Wilderness, United States. Use the + / − buttons, or click the map to zoom with your scroll wheel; drag to pan and pinch to zoom on touch.

Coordinates

Decimal degrees
46.1574, -114.9239
Latitude (DMS)
46° 9′ 26.6″ N
Longitude (DMS)
114° 55′ 26.2″ W

Coordinates are an access-point reference for Selway-Bitterroot Wilderness, not a route. Carry a paper map and confirm trailhead or put-in access with the managing agency before you go.

Loading live weather & climate for Selway-Bitterroot Wilderness…

Topic summary

The Bitterroot Mountains form a rugged, glacier-carved border between Idaho and Montana. On both sides of this border is the Selway-Bitterroot Wilderness, the third largest Wilderness in the Lower 48....

Key takeaways

  • Region: ID/MT, USA
  • Country: United States
  • Good for: hiking
  • Coordinates: 46.157, -114.924

Intended uses

hiking

Keep planning

Popular pursuits at Selway-Bitterroot Wilderness

  • Rafting

    Whitewater sections and the flows that make them run.

  • Hunting

    Seasons, tags, and the units that hold animals.

  • Climbing

    Rock and alpine lines with approach beta.

  • Mountaineering

    Glacier and high-route objectives with real consequence.

  • Hiking

    Day miles on marked trail, with route notes and trail links below.

  • Wildlife Viewing

    Best light, best season, and where animals move.

Animals around Selway-Bitterroot Wilderness

Browse all wildlife guides →

Granite ridges, deep canyons, and two-state wilderness

The Selway-Bitterroot Wilderness spans the rugged, glacier-carved Bitterroot Mountains along the Idaho–Montana border. High granite peaks rise above ridges and deep, forested canyons, while sheltered low valleys hold old-growth cedar, fir, and spruce. Ponderosa pine occupies open grassy slopes beside the rivers. The landscape is not uniformly alpine: a trip can involve dense valley forest as well as exposed mountain terrain, so clothing and equipment should suit substantial changes in elevation and exposure. The unimproved dirt road known as the Nez Perce Trail, or Magruder Corridor, separates this wilderness from the Frank Church-River of No Return Wilderness. Large trailless areas remain little visited. Elk, deer, moose, black bears, mountain lions, and wolves inhabit the area; give wildlife space and plan secure food storage.

Foot and stock travel requires flexible plans

Approximately 1,800 miles of trails provide access from both the Montana and Idaho sides of the mountains, but that extensive network does not mean consistently easy travel. Many trails are rugged and unmaintained, and large parts of the wilderness have no trails at all. Foot and stock travelers should choose an itinerary around current trail information, navigation skills, and the group's ability to handle difficult ground rather than mileage alone. Carry navigation tools that work without a phone connection, allow extra time for uncertain trail conditions, and leave a clear trip plan with someone outside the group. The combination of deep canyons, thick forest, and high ridges favors conservative daily goals. Practice low-impact camping and avoid turning an uncertain route into a commitment the group cannot safely reverse.

The Selway River: technical water and controlled launches

The Selway River runs for 47 miles through the wilderness and demands experienced, self-reliant boaters. Between Paradise Launch Site and Race Creek Take-out, it drops an average of 28 feet per mile. Exposed and barely submerged rocks, sustained whitewater, and few quiet recovery pools leave little margin for mistakes. Below Moose Creek, greater flow and a gradient of 50 feet per mile create an especially demanding technical section. Do not expect mobile service. Floating permits are required from May 15 through July 31, with one party of up to 16 people allowed to launch each day. Outside that control season, permits are not required and groups are limited to 20. Assess snowpack and river flow when choosing a launch date; the Lowell gauge does not directly correspond to the Paradise foot gauge.

Route options

  • Selway River: Paradise Launch Site to Race Creek Take-outTechnical whitewater that challenges even expert boaters.

    A remote whitewater float with sustained rapids, exposed and submerged rocks, and limited recovery pools. The section immediately below Moose Creek is especially demanding because of increased gradient and flow. Launch permits are required during the May 15–July 31 control season.

  • Bitterroot Mountains foot and stock travelVaries by itinerary; rugged, unmaintained trails can make travel challenging.

    Build a hiking or stock itinerary using the wilderness trail network on the Idaho or Montana side. This is a broad travel option rather than a single defined route; confirm specific trail conditions before selecting an itinerary, since many trails are unmaintained and rugged.

Sample itineraries

  • Bitterroot Mountains day hike · 1 day

    Choose a maintained trail on the Idaho or Montana side after checking conditions with the Forest Service. Make this an out-and-back with a conservative turnaround rather than a fixed summit objective. Rugged terrain and unmaintained trails can make progress slow.

  • Selway-Bitterroot backpacking outline · 3 days

    Plan a short out-and-back through forested valleys toward the ridges, using a route confirmed with the Forest Service. Hike in on day one, explore from camp on day two, and retrace the route on day three. Keep mileage flexible; large portions of the wilderness are trailless.

Seasonal conditions

Spring

Snowmelt period

Mountain snowpack and changing river flows should drive planning. Check basin snow-water information and current Selway flows before choosing a launch. Do not assume lower-elevation conditions describe the high Bitterroot crest.

Summer

Summer mountain travel and river trips

Check trail conditions before committing to a remote route; many trails are rugged and unmaintained. Selway boating remains technical, with exposed and barely submerged rocks and few quiet recovery pools. Match the trip to current flows, not the calendar alone.

Fall

Cooling mountain conditions

Plan for colder conditions on the high crest than in the river canyons. Carry insulation and weather protection, and leave room to turn back. Remote access and difficult trails make a conservative route especially useful.

Winter

Cold-season mountain travel

Treat the rugged Bitterroot high country as a serious cold-weather undertaking. Confirm snow and access conditions before departure. Limited access and extensive trailless terrain call for strong navigation skills and a self-reliant plan.

Permits, fees & closures

Selway River floating permits are required May 15–July 31, with one party of up to 16 launching daily. Outside that season, floating permits are not required and groups are limited to 20. Other rules still apply. Confirm requirements for hiking, camping, and stock travel with the Forest Service.

Reservations: For 2027 launches, lottery applications run December 1, 2026–January 31, 2027, closing at 11:59 PM Mountain Time. Results arrive February 15; confirm by March 15 at 11:59 PM Mountain Time. Unconfirmed, declined, or cancelled lottery dates become reservable March 16 at 8 AM Mountain Time.

Official source: Selway River (4 Rivers), Bitterroot National Forest - Recreation.gov · Verified November 4, 2026

Hazards & regulations

  • Many trails are unmaintained and rugged; extensive trailless areas increase navigation demands and can slow travel on foot or with stock.
  • Selway whitewater includes exposed and barely submerged rocks, sustained rapids, and few quiet recovery pools. Even expert boaters face technical challenges.
  • Immediately below Moose Creek, increased flow combines with a gradient of 50 feet per mile, creating an extremely demanding river section.
  • Access is limited, and the Selway River listing reports no mobile service. Carry independent navigation and an emergency communication plan.
  • The Lowell gauge does not directly correlate with the Paradise foot gauge. Use the appropriate conversion information when interpreting flows.

What to pack for Selway-Bitterroot Wilderness

Navigation and emergency readiness
  • Topographic map and compass
  • Offline navigation with backup power
  • Satellite communication device
  • First-aid kit and repair supplies
Mountain camping
  • Insulating layers and rain protection
  • Shelter and sleep system suited to elevation and conditions
  • Water treatment
  • Wildlife-resistant food storage
  • Waste packing supplies
Technical river travel
  • Properly fitted personal flotation device and whitewater helmet
  • River rescue equipment appropriate to the team's training
  • Boat repair kit
  • Dry bags and cold-water protection

Build this list in the gear builder →

Selway-Bitterroot Wilderness FAQ

What terrain defines the Selway-Bitterroot Wilderness?
The wilderness spans Idaho and Montana across the glacier-carved Bitterroot Mountains. Granite peaks and ridges rise above deep, forested canyons. Low valleys hold old-growth cedar, fir, and spruce; ponderosa pine grows on open grassy slopes along rivers.
Is this a straightforward backpacking destination?
Not necessarily. Approximately 1,800 miles of trails provide access, but many are rugged and unmaintained. Large areas have no trails. Choose a route that matches the group's navigation skills and confirm its condition before leaving.
Where does the main Selway float begin and end?
The described whitewater trip runs from Paradise Launch Site to Race Creek Take-out. The river drops an average of 28 feet per mile between them. This is a technical, remote trip requiring substantial boating skill and self-reliance.
What are the river's permit-season boundary rules?
Pre-season boaters must be off the river by 11:59 PM Mountain Time on May 14. Post-season floaters may not launch until 12:01 AM Mountain Time on August 1. These rules apply specifically to Selway River floating.
How should visitors handle wildlife encounters?
Give elk, moose, bears, and other wildlife plenty of space. Secure food and scented items, keep a clean camp, and never approach or feed animals. Dense forest makes attentive travel important.
What separates this wilderness from the Frank Church-River of No Return Wilderness?
The Nez Perce Trail, also called the Magruder Corridor, separates the two wilderness areas. It is an unimproved dirt road within a 600-foot-wide corridor; do not assume easy road access.