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

Los Lagos Region Los Lagos Region ( , 'Region of the Lakes') is one of regions of Chile, Chile's 16 regions, which are first order administrative divisions, and comprises four provinces: Chiloé Province, Chiloé, Llanquihue Province, Llanquihue, Osorno Provin ...

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, 20 ...

. 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 gl ...

and flows northwesterly for about 68 km until discharging into

Bueno River The 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 t ...

. Located near the origin of the river is the town of Entre Lagos and Pilmaiquén Hydroelectric Plant.

References

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