The Paraná River is one of the longest rivers in South America, flowing through Brazil, Paraguay, and Argentina. It spans approximately 4,880 kilometers and is a vital waterway for trade and transportation in the region. This river is known for its diverse ecosystems and rich biodiversity, supporting various species of fish and wildlife. The Paraná River also plays a crucial role in hydroelectric power generation, with the famous Iguazu Falls and the Itaipu Dam located along its course.