| Piney River[1] | |
| Source1 Location: | Upper Piney Lake |
| Source1 Coordinates: | 39.7131°N -106.3047°W |
| Mouth Location: | Confluence with Colorado River |
| Mouth Coordinates: | 39.8547°N -106.6417°W |
| Progression: | Colorado |
| Source1 Elevation: | 11066feet |
| Mouth Elevation: | 6762feet |
Piney River is a 28.2adj=midNaNadj=mid[2] tributary of the Colorado River in Eagle County, Colorado. The river flows northwest from Upper Piney Lake in the Eagles Nest Wilderness to a confluence with the Colorado River.