| Region | Facilities in Great Plains | Great Plains Home Page |
| State | Montana |
| County | Big Horn |
| Project | Yellowtail Unit, Pick-Sloan Missouri River Basin Program |
| Dam Type | Concrete gravity with embankment wings |
| Reservoir | Yellowtail Afterbay |
| Watercourse | Bighorn River |
| Location | 2.2 miles downstream from Yellowtail Dam |
| Original Construction | 1964-1965 |
| National ID Number | MT00582 |