The Iguazu River, also called Rio Iguassu, is a river in Brazil and Argentina. It is an important tributary of the Paraná River. The Iguazu River is 1,320 kilometres (820 mi) long, with a drainage basin of 62,000 square kilometres (24,000 sq mi).
The river directly above Iguazu Falls
The Iguazu (right) at its confluence with the Paraná (middle)
The Paraná River (Portuguese: Rio Paraná ; is a river in south-central South America, running through Brazil, Paraguay, and Argentina for some 4,880 kilometres. Among South American rivers, it is second in length only to the Amazon River. It merges with the Paraguay River and then farther downstream with the Uruguay River to form the Río de la Plata and empties into the Atlantic Ocean.
Paraná River seen from Zárate, Buenos Aires Province, Argentina
Paraná River source at the border of the states of São Paulo, Mato Grosso do Sul and Minas Gerais, in Brazil.
Confluence of the Iguazu and Parana rivers. The Triple frontier is a bit further in the background center: On the left is Paraguay, on the right Brazil, taken from Argentina.
Container ship, traveling downstream by the city of Ramallo, Argentina