Bitterroot River Fishing Map & Spots (MT)

Hatch outlook

Grasshoppers (east-side summer)Active window

Typical here: Jul 1 – Oct 15 · until the hard frosts of mid-October; on the Missouri, August hoppers fish mid-river, not the banks

adultall day in high summer, best when afternoon wind knocks bugs onto the water

Pulls fish to the windward grassy banks and edges for months — fish the bank the wind blows ONTO.

The friendliest crossover of the summer: on lakes, drift the windward bank with a bubble-and-foam-hopper — the bubble's splash doesn't hurt a hopper presentation. On rivers, the same rig dead-drifted along the undercut grass banks, or small gold spinners under the banks between rises.

The event happens over grassy banks, undercut edges and windward shorelines

Pale Morning DunsActive window

Typical here: Jun 1 – Aug 31 · peak mid-June through July; still present through August on the Missouri

dunlate morning (10–11am start) through mid-afternoon, in the riffles and glides

The daily midsummer riffle event — though abundance isn't preference: in August the risers may be on tricos or caddis in the same lane.

A location signal more than a lure event: late-morning risers mark the riffle-glide seams. Bubble-and-fly with a #16 PMD is the honest match; micro-spinners through the same seams before the hatch starts.

The event happens over riffles and glides

Spruce MothActive window

Typical here: Jul 20 – Aug 31 · a conifer-forest event — it needs fir and lodgepole on the banks, so it's a Rock Creek / Blackfoot / upper Bitterroot specialty

adultmorning through midday — moths don't enter the water willingly — landings are sporadic and near the conifer banks; fish the imitation LOW in the film with minimal floatant, even fully drowned, with a little movement

When the moths show, just about every run produces — large trout key on them so hard that one pattern carries the whole box for two weeks.

Honest limit: a small drowned-surface moth has no lure analog. The workable rig is a casting bubble with a drowned moth pattern along the timbered banks in the morning; otherwise fish spinners early and late and leave the moth window to the film.

2–3 weeks at best, and day-to-day — fish key on the moths when they show and vanish with them

The event happens over banks under conifers — the moths rarely reach mid-river

Trico (Missouri morning spinner fall)Active window

Typical here: Jul 15 – Sep 15 · the famous Craig-area morning event on the Missouri below Holter

dundawn
spinnerroughly 7–10am — spent spinners 2–3 hours after sunrise — a short, hard window — the fall is over by mid-morning; be on the water at 7am

Daily pods on a clock — with the shop's own honesty attached: just because tricos dominate the water doesn't mean every riser is eating them; refusals often mean caddis or PMDs in the same lane.

Honest limit: a #20 spinner fall is out of reach for hardware. Treat it as a fish-location broadcast — morning risers mark the pods; return with spinners and spoons through the same slots after 10am.

The event happens over slow slicks and flats where the morning foam lines collect the spinners

Next on this water

Blue-Winged Olives · mayflySep 1 – Nov 15 · in ~3 days

October Caddis · caddisSep 15 – Oct 31 · in ~2 weeks

Skwala Stonefly (Missoula spring) · stoneflyFeb 25 – May 31 · in ~6 months

Salmonfly (Rock Creek & Blackfoot) · stoneflyMay 15 – Jul 10 · in ~9 months

Recommendations come from depth structure and seasonal species behavior. Treat them as a starting point, not a guarantee. Contours on this water are approximations. Never use for navigation. Always check local regulations.

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Recent catches at Bitterroot River

Shared by DepthScout anglers. Exact spots stay private, always.

No shared catches here yet — be the first.Log a catch from the map above and share it to put Bitterroot River on the board.

Fishing Bitterroot River: what the data says

Hamilton to Missoula The river tops out around 6 ft. What you see is a modeled chart: the shoreline is real, the max depth is published, and the contours between are estimated. Plan with it; don't navigate by it. The season-by-season read for each species follows, from the map's own numbers.

Drawn out, this is 3,634 acres of water rimmed by 106.3 miles of bank, with a single island in the mix. A development index of 12.6 means a maze of bays and points: far more casting targets than a round bowl of the same size. Every acre of it sits shallower than ~15 ft: one big littoral zone, cover and forage throughout. Figure 41.8 mi of water from one end to the other, 4.3 mi at the beam. The water lies in Ravalli County. The nearest mapped water is Beavertail Pond, 28 mi to the northeast.

Rainbow Trout fishing at Bitterroot River

Start shallow in spring: rainbow trout sit in 2 to 6 ft that time of year. They don't go far with the seasons — 2 to 6 ft covers summer, 1 to 6 ft covers winter. Top water on the chart: Current seam (mile 2.5), a current seam in the 3 ft range, prime in spring. Fish it in early morning and the evening and you'll meet the bite. Throw a dodger + spoon (deep troll) or a flutter spoon until the fish tell you otherwise.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 6 ft	dawn & dusk	Current seam (mile 2.5) (3 ft)	Inline spinner (silver), Small spoon
Summer	2 to 6 ft	dawn & dusk	Current seam (mile 2.5) (3 ft)	Dodger + spoon (deep troll), Flutter spoon
Fall	2 to 6 ft	dawn & dusk	Current seam (mile 2.5) (3 ft)	Casting spoon, Jerkbait over shoals
Winter	1 to 6 ft	dawn	Current seam (mile 2.5) (3 ft)	Jigging spoon, Tube jig (white)

Northern Pike fishing at Bitterroot River

In spring, northern pike run shallow here, mostly 2 to 6 ft. Summer keeps them at 2 to 6 ft, and they winter in 2 to 6 ft. Inside bend (mile 38.2) is the standout, a point at roughly 5 ft, rated prime for fall northern pike. Time it for early morning and the evening. You won't need more than a bucktail or a weedless spoon over cabbage most summer days.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 6 ft	midday & dawn	open water	#5 inline spinner, Spoon (red/white)
Summer	2 to 6 ft	dawn & dusk	Inside bend (mile 38.2) (5 ft)	Bucktail, Weedless spoon over cabbage
Fall	2 to 6 ft	midday & dawn	Inside bend (mile 38.2) (5 ft)	Big rubber (Bull Dawg style), Husky-style jerkbait
Winter	2 to 6 ft	midday	Inside bend (mile 38.2) (5 ft)	Tip-ups, Large jigging spoon

Brown Trout fishing at Bitterroot River

Spring brown trout on Bitterroot River hold shallow, usually 1 to 6 ft. Depth-wise the year is flat: 2 to 6 ft in summer, 1 to 6 ft once it turns cold. Put Current seam (mile 2.5) first on the milk run — a current seam near 3 ft that grades prime for summer. The feeding windows run after dark and early morning. The summer box starts with a spoon at the thermocline or a deep stickbait (night).

Season	Depth	Best window	Start at	Go-to baits
Spring	1 to 6 ft	dawn & dusk	Eddy pocket (mile 51.0) (5 ft)	Stickbait off planer boards (shallow), Small spoon along mud lines
Summer	2 to 6 ft	night & dawn	Current seam (mile 2.5) (3 ft)	Spoon at the thermocline, Deep stickbait (night)
Fall	1 to 6 ft	dusk & dawn	Eddy pocket (mile 51.0) (5 ft)	Jerkbait over gravel, Casting spoon
Winter	1 to 6 ft	dawn	Eddy pocket (mile 51.0) (5 ft)	Jigging spoon, Small stickbait (slow)

Notable structure

Bitterroot River carries 36 mapped structure features, topping out (or rather bottoming out) at Outside-bend hole (mile 0.6), about 5 ft down.

Outside-bend hole (mile 0.6): creek channel, around 5 ft
Outside-bend hole (mile 5.0): creek channel, around 5 ft
Outside-bend hole (mile 7.2): creek channel, around 5 ft
Outside-bend hole (mile 9.0): creek channel, around 5 ft
Outside-bend hole (mile 10.9): creek channel, around 5 ft
Outside-bend hole (mile 12.8): creek channel, around 5 ft
Outside-bend hole (mile 14.6): creek channel, around 5 ft
Outside-bend hole (mile 16.8): creek channel, around 5 ft
Outside-bend hole (mile 19.0): creek channel, around 5 ft
Outside-bend hole (mile 20.8): creek channel, around 5 ft
Outside-bend hole (mile 24.9): creek channel, around 5 ft
Outside-bend hole (mile 27.1): creek channel, around 5 ft
Outside-bend hole (mile 28.9): creek channel, around 5 ft
Outside-bend hole (mile 31.1): creek channel, around 5 ft

Public access & boat ramps

Bell Crossing — ramp (gravel)
Florence Bridge — ramp (gravel)
Poker Joe — ramp (unspecified)
Tucker Crossing — ramp (concrete)
Woodside Bridge — ramp (concrete)
Bass Creek
Demmons
John & Nancy Owen FAS
…plus 1 more mapped sites.

Access data: Montana FWP — Fishing Access Sites. Confirm conditions and fees locally before you launch.

Bitterroot River fishing regulations

Season dates, license requirements, and size and bag limits for Montana waters are set by the Montana Fish, Wildlife & Parks — and special regulations can apply to Bitterroot River specifically, so confirm the current rules before you fish.

Check the official Montana fishing regulations →

Common questions

How deep is Bitterroot River?

Bitterroot River is about 6 ft (2 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.

What fish are in Bitterroot River?

Anglers target rainbow trout, northern pike, brown trout on Bitterroot River.

Where is the best fishing spot on Bitterroot River?

Current seam (mile 2.5) is the top-rated area: a current seam in about 3 ft of water that rates prime for rainbow trout in spring. Open the map above to see every rated spot for each species and season.

When is the best time to fish Bitterroot River?

For rainbow trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.

What are the fishing regulations for Bitterroot River?

Fishing on Bitterroot River is regulated by the Montana Fish, Wildlife & Parks. Check the official Montana regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.

Nearby waters

Beavertail Pond 28 mi · Upper Twin Lake (Ravalli) 32 mi · Farmers Lake #5 33 mi · Farmers Lake #6 34 mi · Frenchtown Pond 34 mi · McKinley Lake 34 mi · Big Lake 35 mi · Glacier Lake 36 mi · Sheridan Lake 36 mi · Little Lake 36 mi · Surveyor Lake 36 mi · Sanders Lake 37 mi

See how Bitterroot River stacks up: best northern pike lakes in Montana · best rainbow trout lakes in Montana · best brown trout lakes in Montana

Browse all Montana fishing maps or see every water on DepthScout. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.