The Winnebago Pool is a collective name for a group of interconnected lakes in eastern Wisconsin

Wisconsin

Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...

. The terminal point of this watershed is Lake Winnebago

Lake Winnebago

Lake Winnebago is a freshwater lake in eastern Wisconsin, United States. It is the largest lake entirely within the state.-Statistics:...

 itself, which has a surface elevation of 746 feet. Besides Lake Winnebago, the Winnebago Pool includes Big Lake Butte des Morts

Lake Butte des Morts

Big Lake Butte des Morts is an lake located in the U.S. state of Wisconsin and is part of the Winnebago Pool . The lake is fed by the Fox River in the southwest and the Wolf River draining from Lake Winneconne in the northwest, and drains via the Fox River southeast into Lake Winnebago...

, Lake Poygan

Lake Poygan

Lake Poygan, located in the U.S. state of Wisconsin near the village of Winneconne, is an expansive widening of the Wolf River totaling over 14,000 acres . Lake Poygan is part of the Winnebago Pool, a series of interconnected lakes fed by both the Fox and Wolf Rivers...

 and Lake Winneconne. After the waters reach Lake Winnebago, they exit through the Lower Fox River

Fox River (Wisconsin)

The Fox River is a river in eastern and central Wisconsin in the United States. Along the banks is a chain of cities, including Oshkosh, Neenah, Menasha, Appleton, Little Chute, Kimberly, Combined Locks, and Kaukauna. Except for Oshkosh, these cities refer to themselves as the Fox Cities...

 and over the next 39 miles, the river drops over 150 feet to reach the lower water level of Green Bay.

The lakes of the Winnebago pool combine to encompass over 166000 acres (672 km²) and account for nearly 17% of the total surface water area in Wisconsin (not counting the Great Lakes

Great Lakes

The Great Lakes are a collection of freshwater lakes located in northeastern North America, on the Canada – United States border. Consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario, they form the largest group of freshwater lakes on Earth by total surface, coming in second by volume...

). The primary feed waters of the Winnebago Pool are the Wolf River

Wolf River (Fox River)

The Wolf River, long, is one of the two National Scenic Rivers in Wisconsin, along with the St. Croix River. The scenic portion is long. It rises in the north woods of the state, with the northernmost fork stemming from Pine Lake in Forest County. The river then flows south through Langlade and...

, Upper Fox River

Fox River (Wisconsin)

The Fox River is a river in eastern and central Wisconsin in the United States. Along the banks is a chain of cities, including Oshkosh, Neenah, Menasha, Appleton, Little Chute, Kimberly, Combined Locks, and Kaukauna. Except for Oshkosh, these cities refer to themselves as the Fox Cities...

 and Fond du Lac River. Lakes Winnebago and Big Lake Butte des Morts (along with Little Lake Butte des Morts

Little Lake Butte des Morts

Little Lake Butte des Morts is a lake in the state of Wisconsin, USA, eight miles north of Lake Butte Des Morts. It is part of the Fox-Wisconsin Waterway and receives its inflow from a short segment of the Fox River which drains from the north end of Lake Winnebago around Doty Island. The north end...

 to the northeast) served as part of the Fox-Wisconsin Waterway

Fox-Wisconsin Waterway

The Fox–Wisconsin Waterway is a waterway formed by the Fox and Wisconsin Rivers. First used by European settlers in 1673 during the expedition of Marquette & Joliet, it was one of the principal routes used by travelers between the Great Lakes and the Mississippi River until the completion of the...

. The Butte des Morts

Butte des Morts

Butte Des Morts is a region of northeastern Wisconsin, in Winnebago County, containing two known lakes: Little Lake Butte des Morts, and Lake Butte des Morts. Little Lake Butte des Morts lies between the Menasha region from the town of Menasha, while Big Lake Butte des Morts lies in the northwest...

region is part of the Winnebago Pool.