Río Papagayos (also referred to locally as Arroyo de los Papagayos) is a mountain stream located in the Mendoza province of Argentina. Nestled within the Andean foothills and valleys that characterize this region of western Argentina, the river flows through a landscape typical of the high-altitude terrain of Mendoza, offering anglers a remote and scenic trout fishing experience. The stream is part of a broader network of productive trout waters in the province, sharing the region with well-known fisheries such as Arroyo Manzano, Arroyo Yaucha, and Arroyo Barraquero.