Río Lauca

The Río Lauca , is a river binational which is born in the Altiplano Chile in and finishes its course in Bolivia, in the Lac Coipasa.

Río Lauca is born in the Laguna de Cotacotani, located in the National park Lauca, province of Parinacota to the Chile. In this area is formed a marsh of altitude (called in Spanish ciénaga or bofedal ) towards which confluent various mountainous slopes whose volcano Parinacota, and whose emissary is small Río Desaguadero Chilean. This one has a flow from 100 to 560 liters/second, with an average of 260 liters/dry. (either more or less a quarter of m ³ a second).

Río Lauca begins its course in western direction where it heute with the buttresses of Central cordillera or Cordillera of Chapiquiña, and must be directed towards the south. Arrived in the surroundings of the volcano Guallatiri, Lauca turns again, but towards the east this time and crosses the Bolivian border to 3.892 m of altitude, in Macaya. Its flow is then of 2,6 m ³ /seconde on average.

On the Bolivian altiplano, Río Lauca still receives the contributions of various brooks and small rivers, like Río Sajama resulting from the Nevado Sajama and Río Coipasa, increasing its flow up to 8 m ³ /seconde, before transfering finally in the south to finish in the Lac Coipasa flanked salar of the same name.

Río Lauca has a 225 kilometers length.

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National park Lauca
national Reserve Mow Vicuñas
National park Sajama

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