Flathead River
The Flathead River (Salish: člq̓etkʷ ntx̣ʷetkʷ, ntx̣ʷe, Kutenai: kananmituk), in the northwestern part of the U.S. state of Montana, originates in the Canadian Rockies to the north of Glacier National Park and flows southwest into Flathead Lake, then after a journey of 158 miles (254 km), empties into the Clark Fork. The river is part of the Columbia River drainage basin, as the Clark Fork is a tributary of the Pend Oreille River, a Columbia River tributary. With a drainage basin extending over 8,795 square miles (22,780 km2) and an average discharge of 11,380 cubic feet per second (322 m3/...
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Click any point for details. Sections without stored geometry are drawn as straight put-in → take-out lines — actual courses follow the river.