Caucau River is minor river in the city of

Valdivia Valdivia (; Mapuche: Ainil) is a city and commune in southern Chile, administered by the Municipality of Valdivia. The city is named after its founder Pedro de Valdivia and is located at the confluence of the Calle-Calle, Valdivia, and Cau-Cau R ...

, southern

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 ...

. Caucau River acts as a regulating channel between

Cruces River The Cruces River ( es, Río Cruces) is a river in south-central Chile. Río Cruces originates from hills near the Villarica volcano and flows then in south-west direction. The southern and final part of the river flows in a south-south-west di ...

and

Calle-Calle River Calle-Calle River, also called Gudalafquén in Mapuche language, is a river in Valdivia Province, southern Chile. It drains waters from the San Pedro River to the Valdivia River, which in turn flows into Corral Bay on the Pacific Ocean. The Rive ...

forming the

Isla Teja Teja island (Spanish ''isla Teja'') is an island in the city of Valdivia, Chile, surrounded by three rivers: Cau-Cau River, Cau-Cau river to the north, Cruces River, Cruces river to the west and Valdivia River, Valdivia river to the southeast. Pri ...

island in front of the city centre. It confluence with Calle-Calle River marks the beginning of

Valdivia River The Valdivia River or Río Valdivia, as it is known locally, is a major river in southern Chile. It is the continuation of the Calle-Calle River, from the point where it meets the Cau-Cau River in the city of Valdivia. The Valdivia river ends in C ...

. ' The subsidence caused by the

1960 Valdivia earthquake The 1960 Valdivia earthquake and tsunami ( es, link=no, Terremoto de Valdivia) or the Great Chilean earthquake (''Gran terremoto de Chile'') on 22 May 1960 was the most powerful earthquake ever recorded. Various studies have placed it at 9.4– ...

caused a permanent flooding of parts botanical garden of the Austral University of Chile that were next to Caucau River.

References

Rivers of Chile Rivers of Los Ríos Region {{Chile-river-stub