Pilmaiquén River is a river of Chile that makes up part of the border between

Los Lagos Region Los Lagos Region ( es, Región de Los Lagos , ''Region of the Lakes'') is one of Chile's 16 regions, which are first order administrative divisions, and comprises four provinces: Chiloé, Llanquihue, Osorno and Palena. The region contains ...

and

Los Ríos Region The Los Ríos Region (Spanish: ''Región de Los Ríos'', , ''Region of the Rivers'') is one of Chile's 16 regions, the country's first-order administrative divisions. Its capital is Valdivia. It began to operate as a region on October 2, 2007 ...

. Its source is

Puyehue Lake Puyehue Lake (), ( Mapudungun: ''puye'', "small fish" and ''hue'', "place") is an Andean piedmont lake on the border of Los Lagos Region with Los Ríos Region of Chile. Puyehue is a lake of glacial origin. Several times during the Pleistocene gla ...

and flows northwesterly for about 68 km until discharging into

Bueno River Bueno River (Spanish: ''Río Bueno'') is a river in southern Chile. It originates in Ranco Lake and like most of Chile rivers it drains into the Pacific Ocean at the southern boundary of the Valdivian Coastal Reserve. Its lower flow forms the bo ...

. Located near the origin of the river is the town of

Entre Lagos Entre Lagos is the main town of Puyehue commune in Osorno Province of Los Lagos Region, Chile. It is east of Osorno, next to the entrance of the Pilmaiquén River at the western end of Puyehue Lake. It is the only town of any size on the lake. ...

and Pilmaiquén Hydroelectric Plant.

References

Rivers of Los Lagos Region Rivers of Los Ríos Region Rivers of Chile Mapuche language {{Chile-river-stub