The Rio Caldeira is a significant waterway flowing through the state of Bahia in Brazil, situated near the municipality of Uruçuca. It is part of a larger and ecologically important system, ultimately feeding into the Lagoa Encantada, a renowned coastal lagoon complex. The river traverses a region characterized by lush Atlantic Forest, contributing to a biodiverse aquatic environment. The river's connection to a major lagoon system suggests a habitat capable of supporting a variety of freshwater and potentially brackish species, making it an intriguing destination for anglers exploring southern Bahia.