How big is Lake Winnebago?

Lake Winnebago is the largest lake in Wisconsin.
It is 28 and one-half miles long.
It is 10 and one-half miles wide at its widest point.
It covers 215 square miles, or 137,000 acres.
It is 21 feet deep at its deepest.
It has 85 miles of shoreline.


Clarkson Map Company


For more information see the Army Corps of Engineers' Lake Winnebago Fact Book.