The Rio Araranguá in Santa Catarina, Brazil, flows through the Fortaleza canyon, which is noted as one of the largest canyons in the country. A notable feature along its course is the Tigre Preto waterfall, into which the river plunges. The river ultimately flows into the sea. The river's final stretch near its mouth is in the area of Barra do Rio Araranguá, which is characterized as a quiet area. The river travels approximately 5 kilometers through the canyon section described. The overall character of the paddling experience involves navigating a significant canyon landscape with a notable waterfall feature before reaching the coastal zone.