The Bitterroot River has excellent fly fishing opportunities for all types of trout. The Bitterroot River runs 75 miles from the headwaters near Conner down to the confluence with the Clark River near Missoula. You can expect to find brook trout, cutthroat trout, rainbow trout and brown trout as you move downstream in this classic dry fly fishery. The Bitterroot River is generally wide and easy flowing through forest and farmland.
The more popular upper stretch for fly fishing on the Bitterroot River is from Conner to Hamilton which flows fast and cool. Below Hamilton, the 12 mile stretch to Victor is also popular due to its consistency and riffles. The access for fly fishing the Bitterroot River is provided by SR93.
The prolific hatches of mayflies and stoneflies on the Bitterroot River are already big by March.
Overall, Bitterroot River is the 18th most popular fly fishing river of all 21 fly fishing spots in Montana.