Bureau of Land Management National Park Service US Fish and Wildlife Service US Forest Service

Flathead River, Montana

Managing Agency:

National Park Service, Glacier National Park
U.S. Forest Service, Flathead National Forest

Designated Reach:

October 12, 1976. The North Fork from the Canadian border downstream to its confluence with the Middle Fork. The Middle Fork from its headwaters to its confluence with the South Fork. The South Fork from its origin to the Hungry Horse Reservoir.


Wild — 97.9 miles; Scenic — 40.7 miles; Recreational — 80.4 miles; Total — 219.0 miles.

Flathead River


Glacier National Park

Photo Credit: Unknown

Flathead River

The designation includes the North Fork, Middle Fork and South Fork above Hungry Horse Reservoir and features recreation, scenery, historic sites, unique fisheries, and wildlife such as grizzly bears and wolves. The rugged area includes the landscapes of Glacier National Park and the Bob Marshall and Great Bear Wilderness areas.

No permits are required for floating use. There are several commercial outfitters that offer float trips. Details on these commercial rafting companies can be found at the Flathead Convention and Visitor Bureau or at any of the Flathead National Forest offices.