Guaviraví River is a river in

Corrientes Province Corrientes (, ‘currents’ or ‘streams’; gn, Taragui), officially the Province of Corrientes ( es, Provincia de Corrientes; gn, Taragüí Tetãmini) is a province in northeast Argentina, in the Mesopotamia region. It is surrounded by (fr ...

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

. It flows into

Uruguay River The Uruguay River ( es, Río Uruguay, ; pt, Rio Uruguai, ) is a major river in South America. It flows from north to south and forms parts of the boundaries of Brazil, Argentina, and Uruguay, separating some of the Argentine provinces of La M ...

. It once was called Yapeyú River.

See also