Río Maule is one of Chile's most historically and ecologically significant rivers, flowing through the Maule Region and carrying deep cultural roots stretching back to pre-Hispanic times when it marked the southern boundary of the Inca Empire. The river drains a vast basin that encompasses diverse landscapes, from Andean headwaters to the Pacific coastal plain, passing through wine country and agricultural valleys that have shaped the region's identity for centuries. For anglers, the Río Maule and its extensive tributary network — including the Achibueno, Ancoa, Loncomilla, Longaví, Lontué, Lircay, Melado, and Claro rivers — represent a richly varied system with opportunities across a wide range of water types and conditions. The basin also includes notable lakes such as Lago Colbún and Lago del Maule, further expanding the fishing possibilities within this watershed.