Lake Superior the Soo Locks. Lake Superior is the largest freshwater lake in the world in area (if Lakes Michigan and Huron are taken separately; "see Lake Michigan–Huron"), and the third largest in volume, behind Lake Baikal in Siberia and Lake Tanganyika in East Africa. The Caspian Sea, while larger than Lake Superior in both surface area and volume, is brackish; though presently isolated, prehistorically the Caspian has been repeatedly connected to and isolated from the Mediterranean via the Black Sea. Lake Superior has a surface area of , which is approximately the size of South Carolina or Austria. It has a
Lake Wallenpaupack Lake Wallenpaupack Lake Wallenpaupack is a freshwater lake in northeastern Pennsylvania. It is the third largest lake in Pennsylvania measuring 52 miles of shoreline, 13 miles in length, 60 feet deep at points, and has a surface area in excess of 5,700 acres (23 km). It was created in 1926 by the Pennsylvania Power & Light Company (PP&L) for hydroelectric purposes as well as flood control; however, it is best known as one of several major recreational destinations in the Pocono Mountains. It is located near the Borough of Hawley, and forms part of the boundary between Pike and Wayne