Montana is the promised land of American trout fishing, and our three rivers cover its range: the Madison's fifty-mile riffle, the Bighorn's 5,000-trout-per-mile tailwater, and the Gallatin's walk-and-wade canyon. Flows, hatches and honest daily windows: that is the whole game here.
Reports current for Friday, September 4
Live verdicts from this morning's reports.
Montana's Fifty-Mile Riffle: the most fished, most loved trout river in the state, and still worth every cast.
The tailwater that never has a bad year: 5,000 trout per mile in the first thirteen miles below Yellowtail Dam.
The wade-fisher's river: 90 canyon-and-meadow miles from Yellowstone to Three Forks, no boats allowed on the best of it.
Montana's badlands sea: a quarter-million acres of walleye, pike and Chinook silence.
The West's largest natural lake: lake trout depths and postcard water.
Missoula's wilderness-grade trout stream: 50 miles of pocket water and a famous stonefly riot.
The valley freestone: early skwalas, summer hoppers and browns under every sweeper.
The high mountain flat: rainbows, brookies and a legendary ice season at 6,400 feet.
The Missouri's big reservoir: walleye waves, rainbow trolling and Helena's home water.
Missoula's town river: recovered, resilient and full of cutthroat character.
The longest undammed river in the lower 48: 692 free miles of cutthroat, browns and rainbows flowing out of the park through Paradise Valley.
The river that ran through it: Norman Maclean's home water, restored to wild-trout health, floating brown-and-cutthroat canyons northeast of Missoula.
The Absaroka jewel: a boulder-strewn freestone falling out of the wilderness to the Yellowstone, thick with wild browns and rainbows.
The Hi-Line's walleye pond: a Milk River prairie reservoir where Havre fills its freezers and the wind writes the fishing plan.
Montana's big-brown conveyor: a brushy tailwater ribbon below Clark Canyon where 20-inch fish are the average, not the story.
The Craig section: Montana's trout interstate, where 5,000 fish per mile sip tricos below Holter Dam and drift boats run like commuter rail.
The last river of the grayling: Montana's undammed freestone jewel, salmonfly June and the Wise River braids running wild since forever.
The forgotten fork: brown-trout water the crowds drive past, where the Big Hole and Beaverhead marry and float traffic disappears.
The canyon behind the famous tailwater: 70 miles of Bighorn Canyon walls hiding walleye, ling and the West's most dramatic ice fishing.
The Madison’s warm pause: Ennis Lake fattens river rainbows and browns where fifty-mile riffle water finally rests.
The last of the Missouri’s stairsteps: Holter mixes canyon walleye with rainbow water below, and eagles own the exchange.
Montana’s big clear river: the Flathead runs glacier-fed water past Glacier Park, holding westslope cutthroat and bull trout.
The gulper lake: Hebgen’s Callibaetis mornings put big Madison River trout on the surface, sipping in flat calm.
Big trout in the sagebrush: Clark Canyon grows heavy rainbows and browns above the Beaverhead tailwater.
Montana’s bass reservoir: Noxon Rapids grows smallmouth and largemouth on the Clark Fork.
Montana’s big blue-ribbon tailwater: the Kootenai runs rainbows below Libby Dam in a canyon of its own.
Species activity across the state's covered waters. Peak of the year: April.
1 = slow, 5 = peak. Current month highlighted.
Seasonal surface curve for this state's dominant water type (estimated).
| Water | Type | County | Live gauge | Peak month |
|---|---|---|---|---|
| Madison River | River | Madison | USGS | Apr |
| Bighorn River | River | Yellowstone | USGS | Apr |
| Gallatin River | River | Gallatin | USGS | Apr |
| Fort Peck Lake | Reservoir | Valley | modeled | Apr |
| Flathead Lake | Lake | Lake | USGS | Apr |
| Rock Creek | River | Lake | USGS | Apr |
| Bitterroot River | River | Missoula | USGS | Apr |
| Georgetown Lake | Reservoir | Granite | USGS | Apr |
| Canyon Ferry Lake | Reservoir | Broadwater | modeled | Apr |
| Clark Fork River (Missoula) | River | USGS | Apr | |
| Yellowstone River | River | Park | USGS | Apr |
| Blackfoot River | River | Missoula | USGS | Apr |
| Boulder River | River | Sweet Grass | USGS | Apr |
| Fresno Reservoir | Reservoir | Hill | modeled | Apr |
| Beaverhead River | River | Beaverhead | USGS | Apr |
| Missouri River (Craig) | River | Lewis and Clark | USGS | Apr |
| Big Hole River | River | Beaverhead | USGS | Apr |
| Jefferson River | River | Jefferson | USGS | Apr |
| Bighorn Lake | Reservoir | Big Horn | modeled | Apr |
| Ennis Lake | Lake | Madison | USGS | Apr |
| Holter Lake | Reservoir | Lewis and Clark | USGS | May |
| Flathead River | River | Flathead | USGS | Apr |
| Hebgen Lake | Lake | Gallatin | USGS | Apr |
| Clark Canyon Reservoir | Reservoir | Beaverhead | USGS | Apr |
| Noxon Rapids Reservoir | Reservoir | Sanders | USGS | Mar |
| Kootenai River | River | Lincoln | USGS | Apr |
Montana's fishing wealth is simple: cold, clean rivers at every scale, from the Madison's fifty-mile riffle to spring creeks you can step across. The state manages almost everything for wild fish: no stocking in rivers since the 1970s, which is why a 16-inch Madison brown fights like it was never told it is average. Public access is the other half of the treasure: Montana's stream-access law puts every river below the high-water mark in public hands.
The year has a rhythm: pre-runoff fishing March-April (baetis, skwalas), the May-June melt (fish the tailwaters: the Bighorn shines while freestones blow out), the salmonfly circus in late June, hopper summer through August, streamer-and-baetis fall, and quiet winter midging for those with warm gloves. Afternoon wind is a fact of life: plan casts with it, not against it.
Roughly mid-May to late June on freestones (Madison, Gallatin): rivers run high and brown. The Bighorn, as a tailwater, fishes right through it: that is its superpower.
Salmonflies in late June on the Madison, hoppers everywhere in August, and baetis on cloudy fall afternoons. Time a trip to one and you will understand the fuss.