Río Futaleufú

The Río Futaleufú or Río Grande is an Argentinian river important of the province of Chubut, in Patagonie. It collects water of all the area of the lakes around the National park Los Alerces. After having crossed the border Chile enne, it takes the name of Río Grande , crosses the country and throws in the Pacific Ocean.

Hydrographic network of the higher course

The base of the hydrographic network of the higher course consists of 2 chains of lakes and rivers leading both to the Lac Verde.

Chain northern

In north, the chain 30 km begin with Río Tigre long., which are born in the windy and sprinkled tops Cordón Limítrofe and which, after having received affluents come all from the surrounding high summits, throws in the Lac Cholila at coast 547 Mr.

The emissary of this lake, called Río Carrileufú, receives various small affluents of which one is the Río of mow Nutrias (or river of the coypus ), coming from the Lac Carlos Pellegrini (or Lago of los Mosquitos - Lac of the mosquitos ) and from the Lac Lezama (775 meters of altitude). Then it emerges in the Lac Rivadavia. The emissary of this last, Río Rivadavia, throws himself in the Lac Verde.

Chain western

It is shorter but of more abundant flow, and consists of four successive lakes: the Laguna of los Patos (in small French lake of the ducks ), the Lago del Cisne ( Lake of the Swan ) and the Lake Menéndez which ends up pouring its water in the Lac Verde.

Chain emissary

This system runs out its abundant water by the means of the Río Arrayanes in large the Lac Futalaufquen, then from there, by a short emissary towards the Lac Kruger at coast 500 Mr. At the exit of this last is born the Río Frey, which reached before the lake Situación with 380 meters of altitude, but currently pours his water in the artificial lake Amutui Quimei, the lake Situación having been absorbed by this last following the construction of the stopping.

Cours means

At the exit of the Lake Amutui Quimei, is born Río Futaleufú (or Río Grande) which after having traversed 11 kilometers and having received a new important affluent the Río Percey come from the east, turns abruptly towards the west to the locality Balsa Garzón , passing the border Chile enne with the locality Paso Río Large .

Cours Chilean or lower

Soon, in Chilean territory, Río Futaleufú, become Río Large, flows in large the Lac Yelcho which it leaves by septentrional bank. It finishes its race in the Ensenada Chaitén of the Golfe Corcovado , under its last name of Río Yelcho .

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