river in Montana, USA
A broad, clear river draining Glacier country, home to native westslope cutthroat and bull trout. Located in northwest Montana from the confluence of the North and Middle Forks to Flathead Lake.
Flathead River is a river in Montana, USA, and a popular destination for anglers exploring the region. This guide brings together the fish species you can target, the regulations that apply, and the campsites nearby so you can plan a complete fishing trip.
Anglers fishing Flathead River can target species including Bull Trout, Cutthroat Trout, Mountain Whitefish, and Rainbow Trout. Explore the linked species guides below to learn their habits, average sizes, and the tackle that works best on Flathead River.
Make sure you're fishing legally at Flathead River. A fishing license is required across most of USA, and daily limits, size limits, and open seasons can change from year to year. When FishFinder has matching records, use the regulations link below to review the rules hub before you cast a line.
Explore the species guides for fish recorded at Flathead River:
Check FishFinder's regulation records for rules that apply at Flathead River:
Anglers at Flathead River can target species including Bull Trout, Cutthroat Trout, Mountain Whitefish, and Rainbow Trout. Explore each species on this page to learn its habits, average size, and the tackle that works best.
Yes — a fishing license is required across most of USA. Daily limits, size limits, and open seasons can change year to year, so review the regulations on file for Flathead River before you cast a line.
Flathead River is a river in Montana, USA, and a popular destination for anglers exploring the region.