| West Fork Animas River[1] | |
| Source1 Coordinates: | 37.9144°N -107.6156°W |
| Mouth Location: | Confluence with North Fork |
| Mouth Coordinates: | 37.9314°N -107.5694°W |
| Progression: | Animas—San Juan—Colorado |
| Mouth Elevation: | 11109feet |
West Fork Animas River is a tributary of the Animas River in San Juan County, Colorado. It flows from a source near Hurricane Peak to a confluence with the North Fork Animas River that forms the Animas River.