Which lake lies beside the Swiss city of Lucerne?

The lake beside the Swiss city of Lucerne is Lake Lucerne.

Lake Lucerne is a large, irregularly shaped freshwater lake in central Switzerland, with Lucerne located at its northwestern end. Its winding bays and mountainous shoreline give it a fjord-like appearance, and the lake is surrounded by the historic forest cantons that helped inspire its German name, Vierwaldstättersee.

The lake is fed by rivers including the Reuss, Muota, and Engelberger Aa. The Reuss flows out through Lucerne, where a weir regulates the water level before the river continues toward the Rhine. Boat routes across the lake connect Lucerne with lakeside towns and mountain destinations such as Vitznau and Flüelen.

Lake Lucerne is sometimes confused with Lake Zurich or Lake Lugano, but those lakes are associated with different Swiss cities and regions. The English name is standard, while the German name literally refers to the lake of the four forested settlements or cantons.