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
Burnett River small crops. The river is part of the Brigalow Belt and South East Queensland bioregions. Major tributaries of the Burnett River include the Three Moon Creek that rises near Kroombit Tops National Park north of Monto and flows south through Monto and Mulgildie, dammed near Cania Gorge to form Lake Cania, before emptying into the Burnett River south-east of Abercorn; the Nogo River that rises in the hills north-west of Monto, dammed west of Abercorn to form Wuruma Lake, and flows south-east to join the Burnett near Ceratodus; the Auburn River that rises in the hills about west of Cracow,