rio Arraial Velho
rio Arraial Velho → rio Muçungo (⪪) → rio Maranhão (⪪) → rio Tocantins (⪪) → rio Pará (⪪) → baia de Marajó (⪪) → Atlantic NE (⪪)
Country
Brazil
Region
Goiás
Tributaries
(Without claiming to be exhaustive):
(Without claiming to be exhaustive):
Flows in
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