Río Carapachay is a stream winding through the Paraná Delta region of Buenos Aires Province, Argentina. This waterway is part of the intricate network of channels, rivers, and arroyos that define the delta landscape near the city of Tigre. The river flows through a lush, subtropical riparian environment characterized by dense vegetation along its banks, making it a productive and scenic destination for anglers exploring the Buenos Aires delta system. Its proximity to other well-known delta waterways makes it a natural stop for fishermen working the broader network of interconnected channels in this region.