Lake Winneshiek is the name given to that portion of Navigation Pool 9 impounded by Lock and Dam No. 9

Lock and Dam No. 9

Lock and Dam No. 9 is a lock and dam located near Lynxville, Wisconsin and Harpers Ferry, Iowa on the Upper Mississippi River around river mile 647.9. The lower portion of Pool 9 was formally named Lake Winneshiek. The normal pool elevation behind the dam is . It was constructed and placed in...

 between the dam to 4 miles south of the city of Lansing, Iowa

Lansing, Iowa

Lansing is a city in Lansing Township, Allamakee County, Iowa, United States. The population was 1,012 at the 2000 census.-Geography:Lansing's longitude and latitude coordinatesin decimal form are 43.361525, -91.223378...

 on the Upper Mississippi River

Upper Mississippi River

The Upper Mississippi River is the portion of the Mississippi River upstream of Cairo, Illinois, United States. From the headwaters at Lake Itasca, Minnesota, the river flows approximately 2000 kilometers to Cairo, where it is joined by the Ohio River to form the Lower Mississippi...

, near Ferryville, Wisconsin

Ferryville, Wisconsin

Ferryville is a village in Crawford County, Wisconsin, United States. The population was 174 at the 2000 census. It is located on Wisconsin Highway 35 along the Great River Road.-Geography:Ferryville is located at ....

. It encompasses about 6,000 acres (24 km²) and is part of the Upper Mississippi River National Wildlife and Fish Refuge

Upper Mississippi River National Wildlife and Fish Refuge

The Upper Mississippi River National Wildlife and Fish Refuge is a . 261 river mile long National Wildlife Refuge located in and along the Upper Mississippi River. It runs from Wabasha, Minnesota in the north to Rock Island, Illinois in the south....

. The Army Corps of Engineers intends to construct some islands in the lake in order to improve wildlife habitat.