The Rio Barra Grande is a river in the state of Santa Catarina, Brazil, forming part of the larger Uruguay River basin. For paddlers, the river offers access points and facilities that can be uncovered for trip planning. The river is situated near the municipality of Leoberto Leal, and the surrounding area features trails such as the Caminho da Mata Atlântica: Vargedo - Alto Rio Lessa, a 26.1-kilometer path, indicating a region of significant natural interest likely within the Atlantic Forest biome. This suggests a paddling environment characterized by forested landscapes. The river's coordinates are approximately 27°5′S 53°4′W. Information regarding specific hazards, seasonal water levels, water temperature, water quality, regulations, or recommended routes is not available. The overall character of the paddling experience on the Rio Barra Grande appears to be oriented towards exploration of a natural waterway within a Brazilian state known for its diverse ecosystems.