Uruguay River

The Uruguay River is a major South American river that flows south along parts of the Argentina–Brazil and Argentina–Uruguay borders before joining the Paraná River in the Río de la Plata basin.

Río de la Plata: The broad estuary formed where the Paraná and Uruguay rivers meet the Atlantic Ocean. The Uruguay River reaches the Atlantic through this estuary.
Salto Grande Dam: A hydroelectric dam and cross-border complex on the Uruguay River between Argentina and Uruguay. It regulates flow and generates electricity at a major river crossing.
Hydroelectricity: Electricity generated by converting the energy of moving or falling water. The Salto Grande complex turns the river’s flow into power for Argentina and Uruguay.
Treaty of Limits on the Uruguay River: The 1961 Argentina–Uruguay agreement that established the boundary along the Uruguay River. It defined how the two countries divide sovereignty over the river.
Paraná River: A major South American river that flows south through Brazil, Paraguay, and Argentina to the Río de la Plata. The Uruguay River joins the Paraná near their shared estuary.
Salto Grande Reservoir: The reservoir created by the Salto Grande Dam on the Uruguay River. Its stored water alters the river’s level and inundates upstream areas.
Forestry in Uruguay: The cultivation and processing of trees for timber and pulp in Uruguay. Pulpwood production along the river has driven cross-border environmental disputes.
Uruguay River pulp mill dispute: A diplomatic and legal conflict between Argentina and Uruguay over pulp mills beside the Uruguay River. The dispute exposed tensions between industrial development and shared water protection.
Río Negro (Uruguay): A major river in Uruguay that flows west to join the Uruguay River. Its reservoir and tributaries form a large part of Uruguay’s inland drainage.
Uruguay River basin: The area drained by the Uruguay River and its tributaries across Brazil, Argentina, and Uruguay. Rainfall across this basin supplies the river and shapes its seasonal discharge.

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