Pishkun Reservoir
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| Piskuhn Reservoir | |
|---|---|
A picture of the Reservoir | |
| Location | Teton County Montana |
| Coordinates | 47°41′26″N 112°27′54″W / 47.69066°N 112.46512°W |
| Type | Reservoir |
| Etymology | A "piskuhn", which is a cliff or cutbank where buffalo were driven |
| Part of | Sun River Watershed/Sun River Project |
| Primary inflows | Piskuhn Canal |
| Primary outflows | Sun River Slope Canal |
| Managing agency | Greenfield Irrigation District |
| Built | 1925 |
| Surface area | 1,518.5 acres (614.5 ha) |
| Surface elevation | 4,376 feet (1,334 m) |
| Settlements | Choteau |
| Location | |
![]() Interactive map of Piskuhn Reservoir | |

Piskuhn Reservoir is a reservoir in the U.S State of Montana in Teton County. The reservoir is managed mainly by the Greenfield Irrigation District, but also is managed by other agencies such as the Montana Department of Fish Wildlife and Parks.
Piskhuhn Reservoir was created in 1925 as part of the Sun River Project along with Gibson Dam and Reservoir, and Willow Creek Reservoir.[1] The reservoir was created for irrigational purposes, and is currently owned by Greenfield Irrigation District.[2]
Setup
Piskuhn Reservoir is an offstream storage reservoir which uses water from the Sun River coming into the reservoir via canal. The reservoir is filled by 8 earthfill dikes with heights ranging from 12 to 50 feet. The overall length of the dikes is 9,050 feet. In addition to water storage, the reservoir is a wildlife management area, and is part of the Pishkuhn National Wildlife Refuge.[3]
