Lake DuBay

Lake DuBay is a reservoir on the Wisconsin River in Marathon and Portage Counties in the U.S. state of Wisconsin.[1] The lake covers an area of 6,700 acres (2,700 ha) and has a maximum depth of 30 feet (9.1 m). A dam on the lake is used to generate hydroelectric power.[2] The community of Knowlton is located on the shore of the lake, as are 122 homes and three parks. Interstate 39 and U.S. Route 51 provide access to the lake, as do several county highways.[3][4] While the lake is frozen in winter, it is used for ice racing by the "Winter Thunder Club".[5]

Lake DuBay
Frozen Lake DuBay in 2017
Lake DuBay Show map of Wisconsin Lake DuBay Show map of the United States
Location	Marathon and Portage Counties, Wisconsin
Coordinates	44°42′52″N 89°41′43″W
Primary inflows	Wisconsin River, Big Eau Pleine River, Little Eau Pleine River, Little Eau Claire River
Primary outflows	Wisconsin River
Basin countries	United States
Surface area	6,700 acres (2,700 ha)
Max. depth	30 ft (9.1 m)
Shore length1	42.3 mi (68.1 km)
Surface elevation	1,115 ft (340 m)
Settlements	Knowlton, Wisconsin
1 Shore length is not a well-defined measure.

Front Wheel Drive Studded cars racing on Lake DuBay in the Winter Thunder program