Swiss Lake is a collective term for four of the largest lakes in Switzerland, namely GENEVA, LUCERNE, LEMAN and Thun. GENEVA is the second largest lake in Switzerland, located in the southwestern part of the country and bordering France. LUCERNE is the fourth largest lake in Switzerland, located in the central part of the country and bordered by the cantons of LUCERNE, Schwyz and Uri. LEMAN is the largest lake in Switzerland, located in the western part of the country and bordered by France and Switzerland. Thun is the third largest lake in Switzerland, located in the Bernese Oberland region and bordered by the cantons of Bern and Valais.