Lake Winnebago is a 131,939 acre lake located in Winnebago County. It has a maximum depth of 21 feet and has large populations of a wide variety of fish. Visitors have access to the lake from many public boat landings and parks. This route offers great scenery consisting of the forest in these two parks as it passes by a mostly undeveloped shoreline. At High Cliff State Park there are spectacular views of the tall cliffs that rise boldly out of the water.