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 Mindemoya a lake. Lake Mindemoya Lake Mindemoya is a lake of Ontario, Canada. It is located within Manitoulin Island, which is the world's largest island in a freshwater lake (Lake Huron). Mindemoya Lake is located near the town of Mindemoya on Manitoulin Island, co-ordinates Lat. 45° 45' 41" Long. 82° 12' 07". The lake is the third largest on Manitoulin Island. It has a perimeter of 33.5 km (20.8 miles), its marl clay base imparting to a deep blue to light green colour. The lake reaches depths of 21 m (69'), while the average depth is 7.3 m (24'); the surface