Constance, Lake, Ger. Bodensee, lake, 208 sq mi (539 sq km), bordering on Switzerland, Germany, and Austria. It is 42 mi (68 km) long and has a maximum depth of 827 ft (252 m). The lake is fed and drained by the Rhine River and divides near the city of Konstanz (Constance) into two arms, Untersee and Überlinger See. The main body of the lake is called the Obersee. Fruit is grown on the lake's fertile shores, and wine making and fishing are major industries. The chief towns and cities of the lake are Konstanz, Friedrichshafen, and Lindau, all in Germany; Bregenz in Austria; and Rorschach in Switzerland. Remains of lake dwellings have been found.
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