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 Dunmore Sucker Brook and operated by Green Mountain Power. Lake Dunmore Lake Dunmore is a freshwater lake in Addison County, Vermont. The lake spans the towns of Salisbury and Leicester and has a surface area of 985 acres (3.98 km). Lake Dunmore is over 3 miles long (oriented north-south) and up to 1 mile wide. The primary source of water is Sucker Brook, which rises in the adjacent Moosalamoo National Recreation Area of the Green Mountain National Forest. The lake is drained by Leicester River, a tributary to Otter Creek, which in turn empties into Lake Champlain. Branbury State Park occupies