The Gualeguaychu River is a river in the province of Entre Rios, Argentina. It is born in the center-east of the province, within the Colon Department, and flows south, passing by the city of Gualeguaychu and then emptying into the Uruguay River. Its drainage basin has an area of 6,693 km.
CUENCAS HIDRICAS SUPERFICIALES DE LA REPUBLICA ARGENTINA
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