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A triple divide or triple watershed is a point on Earth's surface where three drainage basins meet. A triple divide results from the intersection of two drainage divides . Triple divides range from prominent mountain peaks to minor side peaks, down to simple slope changes on a ridge which are otherwise unremarkable.
While Triple Divide Peak (or, alternatively, Snow Dome) is the world's only oceanic triple divide, there are secondary triple divide points wherever any two continental divides meet. North America has five major drainage systems: into the Pacific, Atlantic and Arctic oceans, plus Hudson Bay and the Gulf of Mexico.
Major continental divides, showing drainage into the major oceans and seas of the world. Grey areas are endorheic basins that do not drain to the ocean.. A continental divide is a drainage divide on a continent such that the drainage basin on one side of the divide feeds into one ocean or sea, and the basin on the other side either feeds into a different ocean or sea, or else is endorheic, not ...
On rugged land, the divide lies along topographical ridges, and may be in the form of a single range of hills or mountains, known as a dividing range. On flat terrain, especially where the ground is marshy, the divide may be difficult to discern. A triple divide is a point, often a summit, where three drainage basins
The Laurentian Divide (green) extends from Triple Divide Peak in northwestern Montana to the tip of the Labrador Peninsula at the 60th parallel north.. The Laurentian Divide also called the Northern Divide [1] 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 Eastern Continental Divide, Eastern Divide or Appalachian Divide is a hydrological divide in eastern North America that separates the easterly Atlantic Seaboard watershed from the westerly Gulf of Mexico watershed. It is one of six continental hydrological divides of North America which define several drainage basins, each of which drains ...
So Triple Divide Peak is the only single point on Earth from which water flows into three distinct oceans. Some sources consider Hudson Bay to be part of the Atlantic. Under this stipulation, because the bay is fed by drainage from Triple Divide Peak, Snow Dome , which is the triple divide between Hudson Bay, the Arctic Ocean, and Pacific Ocean ...
The mountain is one of two hydrological apexes of North America; it is a major triple divide between three great drainage basins. Water falling on Snow Dome's summit may flow into streams that drain into the Pacific Ocean (via the Bush River and the Columbia River ), the Arctic Ocean (via the Athabasca River ), and Hudson Bay (via the North ...