Trout & Char in Colorado
8 species documented in Colorado, alongside live conditions on the state’s 58 gauged waters.
Recorded species
Documented in Colorado
Brook Trout
Salvelinus fontinalis
1,099 records
Rainbow Trout
Oncorhynchus mykiss
1,007 records
Brown Trout
Salmo trutta
871 records
Cutthroat Trout
Oncorhynchus clarkii
474 records
Arctic Grayling
Thymallus arcticus
106 records
Mountain Whitefish
Prosopium williamsoni
70 records
Lake Trout
Salvelinus namaycush
32 records
Golden Trout
Oncorhynchus aguabonita
8 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 Colorado waters right now
| River | Drainage | Flow | Temp | Updated |
|---|---|---|---|---|
| Arkansas River | 25,073 sq mi | 138 cfs | — | 54 min ago |
| Colorado River | 17,849 sq mi | 2,070 cfs | 62°F | 54 min ago |
| South Platte River | 14,648 sq mi | 102 cfs | — | 9 min ago |
| San Juan River | 14,600 sq mi | 671 cfs | — | 39 min ago |
| Yampa River | 7,931 sq mi | 85.1 cfs | 55°F | 24 min ago |
| Gunnison River | 7,923 sq mi | 1,040 cfs | 61°F | 1h ago |
| Dolores River | 4,146 sq mi | 153 cfs | — | 39 min ago |
| Purgatoire River | 3,441 sq mi | 19.2 cfs | — | 24 min ago |
| White River | 2,530 sq mi | 294 cfs | 39°F | 54 min ago |
| Roaring Fork River | 1,453 sq mi | 459 cfs | 56°F | 54 min ago |