The Río Paraná is one of South America's most legendary fishing destinations, stretching from its origins in Brazil through Paraguay and deep into Argentina before emptying into the Río de la Plata near Buenos Aires. As the second largest river system on the continent, it creates a vast wetland ecosystem of extraordinary biological richness, harboring more than 350 identified fish species grouped across nine families — more than half belonging to the Characiformes and Siluriformes orders. For sport anglers, the river is synonymous with the golden dorado, one of the most electrifying freshwater gamefish in the world, but the Paraná's depths also hold massive catfish, hard-fighting pacú, and a host of other species that make it a true bucket-list destination. The river's combination of remote wilderness, abundant wildlife, world-class fishing, and accessible Argentine hospitality has earned it a devoted international following among serious anglers.