Rio Novo is a natural river attraction near Cachoeira da Velha in Mateiros, Tocantins, Brazil, forming part of the scenic Jalapão region. Visitors can enjoy swimming in calm sections, relaxing on sandy riverbanks, observing small fish, and taking part in leisurely activities such as picnics and short walks in a tranquil setting. Prainha do Rio Novo is a serene freshwater beach located nearby, featuring white sand, clear water, and shaded areas, and can be reached via a trail or by rafting along the river. Notably, the Rio Novo is regarded as one of the world’s largest sources of potable water and remains a key highlight of the region.