Caucau River

Caucau River is a minor river in the city of Valdivia, southern Chile. Caucau River acts as a regulating channel between Cruces River and Calle-Calle River forming the Isla Teja island in front of the city centre. Its confluence with Calle-Calle River marks the beginning of Valdivia River. '^[3]

Caucau
The scandal-ridden bridge over the Cau-cau River had to be demolished and rebuilt in 2017.[1][2]
Isla Teja in a 1903 map
Location
Country	Chile
Physical characteristics
Mouth	Calle-Calle River
• coordinates	39°48′22″S 73°14′42″W

The subsidence caused by the 1960 Valdivia earthquake caused a permanent flooding of parts botanical garden of the Austral University of Chile that were next to Caucau River.^[4]