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 Sebezhskoye Lake Sebezhskoye Sebezhskoye or Sebezh (Себежское) is a freshwater lake in the southwest of Pskov Oblast in Russia, close to the borders with Latvia and Belarus. It has a surface area of . The lake takes its name from Sebezh, a town sitting on a low-lying promontory jutting out into the lake. The lake surface lies above sea level. Its maximum depth is . In 1996, the lake basin with a cluster of similar lakes was designated the Sebezhsky National Park. The biggest tributary of the lake is the Cherneya River, which drains into Lake Sebezhskoye from the east. The