| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fern Creek |  | Big Thompson river | 40.3133178000 | -105.6933393000 | Map | ||||||
| Aspen Brook (Colorado) | Big Thompson river | 40.3489000000 | -105.5690000000 | Map | |||||||
| Fall River (Larimer County, Colorado) |  | Big Thompson river | 27,359 | 40.3758170000 | -105.5216651000 | Map | |||||
| Fish Creek (Larimer County, Colorado) | Big Thompson river | 40.3706000000 | -105.4930000000 | Map | |||||||
| Little Thompson River | Big Thompson river | 40.3406000000 | -104.8440000000 | Map |