Trout & Char in Montana
9 species documented in Montana, alongside live conditions on the state’s 51 gauged waters.
Recorded species
Documented in Montana
Rainbow Trout
Oncorhynchus mykiss
221 records
Brown Trout
Salmo trutta
178 records
Brook Trout
Salvelinus fontinalis
163 records
Mountain Whitefish
Prosopium williamsoni
145 records
Cutthroat Trout
Oncorhynchus clarkii
91 records
Arctic Grayling
Thymallus arcticus
67 records
Bull Trout
Salvelinus confluentus
44 records
Lake Trout
Salvelinus namaycush
32 records
Golden Trout
Oncorhynchus aguabonita
6 records
Bars compare how many records exist, which reflects survey effort as much as fish populations. Read them as evidence the species is present, not as a ranking of the fishing.
Live conditions
Biggest Montana waters right now
| River | Drainage | Flow | Temp | Updated |
|---|---|---|---|---|
| Missouri River | 89,858 sq mi | 7,300 cfs | — | 1h ago |
| Yellowstone River | 69,099 sq mi | 5,120 cfs | 55°F | 1h ago |
| Milk River | 22,452 sq mi | 141 cfs | 52°F | 1h ago |
| Bighorn River | 22,417 sq mi | 1,880 cfs | — | 1h ago |
| Clark Fork | 19,964 sq mi | 10,000 cfs | — | 30 min ago |
| Jefferson River | 9,558 sq mi | 972 cfs | 44°F | 1h ago |
| Flathead River | 9,024 sq mi | 7,610 cfs | 55°F | 45 min ago |
| Marias River | 7,027 sq mi | 537 cfs | — | 1h ago |
| Tongue River | 5,405 sq mi | 112 cfs | 52°F | 1h ago |
| Powder River | 13,060 sq mi | 7.3 cfs | — | 1h ago |