The Ribeirão Água-Branca in Mato Grosso do Sul, Brazil, is a watercourse known primarily for the significant Cachoeira Água Branca waterfall located along its path. This waterfall is approximately 83 meters in height, ranking it as the second tallest in the state of Mato Grosso do Sul. The area surrounding the waterfall and the watercourse features native fauna and vegetation, highlighting the region's ecological importance and its potential for tourism. A specific trekking route to the waterfall is documented, starting near the locality of Raizama in the municipality of Pedro Gomes. This suggests that access for potential paddlers or visitors would involve a trail, rather than direct riverbank access. The overall character of the experience is likely focused on the destination of the waterfall within a natural, protected setting. There is a significant and specific hazard to be aware of: the Cachoeira Água Branca is under threat of disappearing due to the proposed construction of a hydroelectric power plant (usina) in the area. This development could drastically alter or eliminate the waterfall and the character of the water body. The local Public Ministry (MPE) has reportedly taken action in response to this threat.