Fishing Season: Year round; some tributaries closed December 1-third week of May. Check regulations before fishing.

Bitterroot River - MT

Fishing Outlook & Conditions

Water Temp:

51

Blackfoot River Outfitters's Tip of the Week

Log jams and debris are still a major hazard from the early runoff, so floaters need to stay alert. With daytime highs pushing into the 70s early next week, we might see flows bump up again, which could move more debris around. Float cautiously!

Directions open in app

Map of Bitterroot River

Water Flow Data

Orvis-Endorsed guides nearby

Blackfoot River Outfitters
Blue Damsel Lodge
Montana Hunting and Fishing Adventures
Triple Creek Ranch

5-Day Outlook as of 4/22/26

The Bitterroot is setting up for a warm, sunny stretch. Highs will climb steadily through the weekend, reaching the low 70s by Tuesday. Enjoy the incredible weather while you can, because Wednesday brings a sharp drop back into the 50s along with some rain and snow.

Techniques & Tips as of 4/22/26

It's all about the Skwalas and March Browns right now, though the quality of the dry fly fishing varies by the day. A dry-dropper is your most reliable rig right now- but the best fish on the Bitteroot are caught where nymphs don’t go- close to woody structure. If you want to switch it up, streamers have been moving a lot of fish, or you can dredge a bobber rig through the inside seams and deep holes.

Local Species Available Year round; some tributaries closed December 1-third week of May. Check regulations before fishing.

  • Fish Icon

    Trout - rainbows

  • Fish Icon

    browns and cutties - whitefish

Blackfoot River Outfitters's Recommended Fly Patterns

"Must-have" fly fishing patterns in descending order of importance:

Name: Colors: Size(s):
Stimulator N/A #10-14
Blue Winged Olive N/A #18
Adam's Purple Parachute N/A #12-14
Fly Formerly Known As Prince N/A #12-14
TJ Hooker N/A #08-12
Sparkle Minnow N/A #04-08
Bead Head Hare's Ear Nymph N/A #12-16
Tunghead Soft Hackle Pheasant Tail N/A #14-18
Zebra Midge N/A #18
Kreelex N/A #6

Stimulator

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Item #0928

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Blackfoot River Outfitters's Recommended Gear

Description: About Bitterroot River

The panoramic mountains of the Selway-Bitterroot Wilderness towering above this river make for an unforgettable setting. The Bitterroot affords anglers over 80 miles of varied freestone trout water ranging from riffles and runs to undercuts and deadfalls. This river's largest fish often rise to dry flies even in non-hatch conditions. One of our guides claims that "If you catch a fish on the Bitterroot, you could have caught it with a dry fly!" This probably isn't far from the truth in light of our fishing dries here 90% of the time (often with an additional bead head dropper). Renowned hatches of stone and may flies are in full force by March, providing the state's best early season surface action and Bitterroot river fish tend to look up for the rest of the season. Expect to catch native westslope cutthroat, rainbows and browns on any outing.

Nearest Airport:

Missoula International Airport (MSO)

Hatches:

Skwalas, March Browns, and BWOs

Best Time to Fish:

The warmest hours of the day

Best Stretch:

Most of the river is looking good. Keep an eye out for potential jams and portages.

Best Access:

Multiple fishing access sites throughout the river.