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
Chensagi River West mid-May, however, safe ice circulation is generally from mid-November to mid-April. The main hydrographic slopes near the Chensagi West River are: The Chensagi River originates at the mouth of a small unidentified lake (length: ; altitude: ). The mouth of this head lake is located at: From the mouth of the head lake, the "Chensagi River West" flows over according to the following segments: The "West Chensagi River" flows on the north bank of the Chensagi River which generally flows southwestward across Chensagi Lake to a bay in the northwest of Lake Maicasagi. The latter in turn flows Southwesterly through