Río Valdivia flows through the Los Ríos region of southern Chile, a landscape defined by volcanic peaks, dense temperate rainforest, and some of the most productive cold-water fisheries in South America. The river serves as a major drainage system in the region, collecting flows from numerous tributaries before reaching the Pacific near the city of Valdivia. Its waters support a compelling mix of introduced salmonid species that have thrived in the cool, nutrient-rich environment of Chilean Patagonia, drawing anglers from around the world who come to experience world-class fishing in a stunning natural setting.