| Rio Balsas|
Rio de Janeiro (Bahia)
Das Balsas River (Tocantins) Wikipedia
The Balsas River is a river of Tocantins and Bahia states in central Brazil, a tributary of the Rio de Janeiro (Bahia).
The river basin includes part of the 707,079 hectares (1,747,230 acres) Serra Geral do Tocantins Ecological Station, a strictly protected conservation unit created in 2001 to preserve an area of cerrado.