| Caption Map: | Location of Wolf Creek Reservoir |
| Type: | Reservoir |
| Location: | Union Co. Oregon, United States |
| Coords: | 45.0568°N -118.025°W[1] |
| Pushpin Map: | Oregon#USA#North America |
Wolf Creek Reservoir is a 230acres impoundment located within the Elkhorn Mountains in eastern Oregon.[2] The water is relatively clear and provides good trout fishing.[3] The reservoir is located north of Haines and is fed by Wolf Creek from the Elkhorn Mountains in the Powder River basin.[4] It is one of two existing water storage sites of the North Powder River with a storage capacity of 10,800 acre-feet.