| Lake Winneshiek | |
|---|---|
Lake Winneshiek fromWIS35 | |
| Location | Allamakee County, Iowa,Crawford County, Wisconsin, United States |
| Coordinates | 43°19′N91°04′W / 43.31°N 91.07°W /43.31; -91.07 |
| Type | reservoir |
| Primary inflows | Upper Mississippi River |
| Primary outflows | Upper Mississippi River |
| Basin countries | United States |
| Surface area | 6,000 acres (2,400 ha) |

Lake Winneshiek is the name given to that portion of Navigation Pool 9 impounded byLock and Dam No. 9 between the dam to 4 miles south of the city ofLansing, Iowa on theUpper Mississippi River, nearFerryville, Wisconsin.[1] It encompasses about 6,000 acres (24 km2) and is part of theUpper Mississippi River National Wildlife and Fish Refuge. TheArmy Corps of Engineers has proposed constructing some islands in the lake in order to improve wildlife habitat.[2]