Tocantins River

Portuguese  Rio Tocantins  river that rises in several headstreams, including the Paranã and Maranhão rivers, on the central plateau in Goiás state, Brazil. It flows northward through Goiás and then Tocantins states until it receives the Manuel Alves Grande River. Looping westward, it marks the boundary of Tocantins and Maranhão states as far as its junction with the Araguaia River. The Tocantins