Alps rivers such as the Danube have major tributaries flowing into them that originate in the Alps. The Rhône is second to the Nile as a freshwater source to the Mediterranean Sea; the river begins as glacial meltwater, flows into Lake Geneva, and from there to France where one of its uses is to cool nuclear power plants. The Rhine originates in a 30 square kilometre area in Switzerland and represents almost 60 percent of water exported from the country. Tributary valleys, some of which are complicated, channel water to the main valleys which can experience flooding during the snow melt
Maple River (Burt Lake) Maple River (Burt Lake) The Maple River, which flows into Burt Lake, is a major river in the northern tip of the Lower Peninsula of the U.S. state of Michigan. The river drains sections of Cheboygan County and Emmet County, and provides an outflow for the Douglas Lake. The West Branch of the Maple River rises in a wetland, the Pleasantview Swamp, located in Pleasantview Township in central Emmet County. After flowing north, it turns east and then south, draining the town of Pellston and its airport. Much of the river's course goes through the Mackinaw State Forest, a semi-protected