Trout & Char in Idaho
9 species documented in Idaho, alongside live conditions on the state’s 47 gauged waters.
Recorded species
Documented in Idaho
Rainbow Trout
Oncorhynchus mykiss
534 records
Brook Trout
Salvelinus fontinalis
319 records
Brown Trout
Salmo trutta
260 records
Mountain Whitefish
Prosopium williamsoni
149 records
Bull Trout
Salvelinus confluentus
67 records
Cutthroat Trout
Oncorhynchus clarkii
55 records
Lake Trout
Salvelinus namaycush
7 records
Golden Trout
Oncorhynchus aguabonita
5 records
Arctic Grayling
Thymallus arcticus
3 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 Idaho waters right now
| River | Drainage | Flow | Temp | Updated |
|---|---|---|---|---|
| Snake River | 69,200 sq mi | 8,830 cfs | 56°F | 51 min ago |
| Salmon River | 13,421 sq mi | 3,440 cfs | 55°F | 1h ago |
| Clearwater River | 9,283 sq mi | 3,040 cfs | 53°F | 51 min ago |
| Kootenai River | 13,700 sq mi | not reporting | 55°F | — |
| Boise River | 3,906 sq mi | 382 cfs | 55°F | 1h ago |
| Payette River | 3,240 sq mi | 793 cfs | 60°F | 21 min ago |
| Henrys Fork | 2,920 sq mi | 852 cfs | 32°F | 36 min ago |
| Big Wood River | 1,611 sq mi | 1.2 cfs | — | 21 min ago |
| Blackfoot River | 1,295 sq mi | 137 cfs | 56°F | 1h ago |
| South Fork Boise River | 1,172 sq mi | 500 cfs | 52°F | 2568d ago |