Winnebago, Lake, 215 sq mi (557 sq km), E Wis.; largest lake in Wisconsin. Fed and drained by the Fox River, the lake is part of an all-water route between the Great Lakes and the Mississippi River. Oshkosh and Fond du Lac are on the lake, which is a major recreation area.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.