Puranga Conquista Sustainable Development Reserve (Portuguese: Reserva de Desenvolvimento Sustentável Puranga Conquista) is a sustainable development reserve (RDS) in the state of Amazonas, Brazil.It protects an area of Amazon rainforest on the left bank of the Rio Negro near Manaus.The reserve was carved out of the Rio Negro State Park South Section after a lengthy struggle by the occupants of the area who had lived there for years before the state park was created.