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 Tai Lake Tai Lake Tai or Lake Taihu is a large freshwater lake in the Yangtze Delta plain. The lake belongs to Jiangsu and the southern shore forms its border with Zhejiang. With an area of and an average depth of , it is the third-largest freshwater lake in China, after Poyang and Dongting. The lake houses about 90 islands, ranging in size from a few square meters to several square kilometers. Lake Tai is linked to the renowned Grand Canal and is the origin of a number of rivers, including Suzhou Creek. In recent years, Lake Tai has been plagued