Päijänne, Lake

Lake located in parts of the läänit (provinces) of Keski-Suomi, Häme, and Mikkeli, south-central Finland. The lake has an area of 407 square miles (1,054 square km) and a maximum depth of 305 feet (93 m). It is about 85 miles (135 km) long and between 2 and 18 miles (3 and 29 km) wide. The lake is broken by thousands of islands. Jyväskylä, at the northern tip of the lake, and Heinola, on a southeastern branch of the lake, are