Reschensee or Lake Reschen is an artificial lake in the western portion of South Tyrol, Italy, approximately 2 km (1 mi) south of the Reschen Pass, which forms the border with Austria, and 3 km (2 mi) east of the mountain ridge forming the border with Switzerland. With its capacity of 120 million m3 it is the largest lake in the province. Its surface area of 6.6 km2 (2.5 sq mi) makes it also the largest lake above 1,000 m (3,300 ft) in the Alps. It is fed by the Adige, Rojenbach and Karlinbach and drained by the Adige.