| Fish Creek[1] | |
| Source1 Location: | Lily Lake |
| Source1 Coordinates: | 40.3072°N -105.5381°W |
| Mouth Coordinates: | 40.3706°N -105.4931°W |
| Source1 Elevation: | 8927feet |
| Mouth Elevation: | 7484feet |
Fish Creek is a tributary of the Big Thompson River in Larimer County, Colorado. The stream's source is Lily Lake in Roosevelt National Forest. It flows northeast to a confluence with the Big Thompson in Lake Estes.