Great Lakes is the world's largest lake located on a freshwater island. Some of these lakes even have their own islands, like Treasure Island in Lake Mindemoya in Manitoulin Island The Great Lakes also have several peninsulas between them, including the Door Peninsula, the Peninsulas of Michigan, and the Ontario Peninsula. Some of these peninsulas even contain smaller peninsulas, like the Keweenaw Peninsula, the Thumb Peninsula, the Bruce Peninsula, and the Niagara Peninsula. Population centers on the peninsulas include Grand Rapids, Michigan, Detroit, Michigan, London, Ontario, Hamilton, Ontario, and Toronto, Ontario. The Saint Lawrence Seaway and Great Lakes Waterway make the Great
Four Mile Lake (Ontario) Four Mile Lake (Ontario) Four Mile Lake is a lake in the city of Kawartha Lakes in Central Ontario, Canada. The lake is northeast of Coboconk, Ontario and west of Burnt River. It is one of the Kawartha Lakes series of lakes and is in the Great Lakes Basin. Four Mile Lake is a relatively shallow warm water lake with a surface area of . The lake is located in the sub watershed of Corben Creek and has a flushing rate of approximately five years. The lake is located on the boundary between two different geological land forms. The northern