Reschensee (Italian: Lago di Resia, German: 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 east of the mountain ridge forming the border with Switzerland. With its capacity of 120 million cubic metres (97,000 ac·ft) it is the largest lake in the province. Its surface area of 6.6 km² makes it also the largest lake above 1,000 m in the Alps.