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 McConnell Lake McConnell Lake McConnell was a very large proglacial lake that existed in what is now Canada from 11,800 to 8,300 years ago. Other sources give starting and ending dates of about 12,000 and between 9,000 and 8,000 years ago respectively. It covered parts of what are now the Great Bear Lake, Great Slave Lake and Lake Athabaska basins up to an elevation of or , with a maximum surface area of achieved 10,500 years ago. At its greatest length of , it was longer than any modern freshwater lake. "Lake McConnell (or its smaller predecessor, Lake Peace) is believed