German Vierwaldstättersee ("Lake of the Four Forest Cantons")
Lake, central Switzerland.
It is 24 mi (39 km) long and 0.5 to 2 mi (0.8 to 3 km) wide, with an area of 44 sq mi (114 sq km). It has a maximum depth of 702 ft (214 m). The "Cross of Lucerne" is formed by its four main basins, which are joined by narrow channels. Named after the city of Lucerne at its western end, it is in a region of resorts and tourist attractions.