LAKE ERIE, bordered by the province of Ontario in Canada to the north, New York to the east, Pennsylvania and Ohio to the south, and Michigan to the west, is the shallowest of the Great Lakes at only 62 foot (18.9 meter) and it remains the smallest in volume. Lake Erie is 241 mile wide (380 kilometer), and 57 mile (91 kilometer) from north to south and has 871 mile (1,401 kilometer) of shoreline. Because of its shallowness, Lake Erie is the warmest of the Great Lakes in the summer, meaning it is the most biologically productive, and during the winter, it is the only lake out of the Great Lakes to freeze. Lake Erie is 1 of the 5 large freshwater lakes in . The other lakes surrounding Lake Erie are Lake Superior, Lake Michigan, Lake Huron, and Lake Ontario.