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
White River (Wisconsin) decades ago. White River (Wisconsin) The White River in Wisconsin flows out of Geneva Lake, roughly 19 miles, to the Fox River in Burlington, Wisconsin. There is a dam in Burlington that forms Echo Lake. The river goes through the small town of Lyons on its way to Burlington. White River floods often and is a popular canoe/kayak river in the region. The remains of a 1800s dam are visible on Sheridan Springs Road where it crosses the river entering Lyons from the west. This formed a mill pond that is still shown on maps today even though it was