 Laurentian Divide

The Laurentian Divide also called the Northern Divide and locally the "height of land", is a continental divide in central North America that separates the Hudson Bay watershed to the north from the Gulf of Mexico watershed to the south and the Great Lakes-St. Lawrence watershed to the southeast.Water north of the divide flows to Hudson Bay; water south of the divide and also south of the St. Lawrence Divide flows to the Gulf of Mexico, otherwise to the Labrador Sea or via the Great Lakes and St. Lawrence Seaway to the Gulf of St. Lawrence.