Lake Wisconsin is a

reservoir A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contro ...

on the

Wisconsin River The Wisconsin River is a tributary of the Mississippi River in the U.S. state of Wisconsin. At approximately 430 miles (692 km) long, it is the state's longest river. The river's name, first recorded in 1673 by Jacques Marquette as "Meskous ...

in southern

Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...

in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

. It is located in Columbia and Sauk counties, approximately southeast of

Baraboo Baraboo is a city in the Midwest and the county seat of Sauk County, Wisconsin, United States. The largest city in the county, Baraboo is the principal city of the Baraboo Micropolitan Statistical Area. Its 2020 population was 12,556. It is situ ...

and NNW of

Madison Madison may refer to: People * Madison (name), a given name and a surname * James Madison (1751–1836), fourth president of the United States Place names * Madison, Wisconsin, the state capital of Wisconsin and the largest city known by this ...

. Today it is home to the Wisconsin wine

appellation An appellation is a legally defined and protected geographical indication primarily used to identify where the grapes for a wine were grown, although other types of food often have appellations as well. Restrictions other than geographical boun ...

of the Lake Wisconsin AVA. It was formed by the construction of the Prairie du Sac Dam, which was begun in 1911 and completed in 1914. It is part of the Wisconsin River system of reservoirs. The lake has a maximum depth of . It has an area of . Its construction effectively ended the Fox-Wisconsin Waterway connection to the

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it fl ...

, although commercial traffic had ended decades before completion of the dam. The lake provides

flood A flood is an overflow of water ( or rarely other fluids) that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are an area of study of the discipline hydrol ...

control and is a popular destination for recreational boating and fishing. In 1966, the Wisconsin state record Common Carp was caught in Lake Wisconsin, weighing 57 lbs. 2 oz. The Merrimac Ferry crosses the lake at Merrimac, Wisconsin.

Notes

External links

Aerial View-Nieting.org
Reservoirs in Wisconsin Lakes of Columbia County, Wisconsin Lakes of Sauk County, Wisconsin Lake Wisconsin {{SaukCountyWI-geo-stub