Allipén River is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...

located in the

La Araucanía Region LA most frequently refers to Los Angeles, the second largest city in the United States. La, LA, or L.A. may also refer to: Arts and entertainment Music * La (musical note), or A, the sixth note * "L.A.", a song by Elliott Smith on ''Figur ...

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

. It is formed at the junction of the rivers Trufultruful and ''Zahuelhue'', near

Melipeuco Melipeuco () is a town and commune ( es, comuna) in Chile, located at the foot of the Andes, in the Province of Cautín, Araucanía Region. Melipeuco is from the southern entrance of the Conguillío National Park. The Nevados de Sollipulli, an ...

. The basin of the river comprises approximately 36 percent of the

Conguillío National Park Conguillío National Park is located in the Andes, in the provinces of Cautín and Malleco, in the Araucanía Region of Chile also known as Region IX. Its name derives from the Mapuche word for "water with Araucaria seeds". Among the att ...

surface area (including a 5-km-wide

buffer zone A buffer zone is a neutral zonal area that lies between two or more bodies of land, usually pertaining to countries. Depending on the type of buffer zone, it may serve to separate regions or conjoin them. Common types of buffer zones are demil ...

around the park). Allipén's main tributary is ''Curaco River'', which receives the waters of Colico Lake through the river of the same name.

References

Rivers of Araucanía Region Rivers of Chile {{Chile-river-stub