Arroyo Bonito is a stream located near Montecarlo in Misiones Province, Argentina, ranking among the notable fishing destinations in this lush, subtropical region of northeastern Argentina. Situated within one of the most biodiverse areas of South America, this arroyo flows through the characteristic red-soil landscape of Misiones, surrounded by the dense Atlantic Forest that defines the province. The stream is part of a broader network of arroyos that drain the interior of Misiones, offering anglers access to the native fish species typical of the upper Paraná river basin. Its position near Montecarlo places it within a region well known among local and visiting anglers for productive freshwater fishing in a scenic, jungle-framed environment.