rio Riacho
rio Riacho → rio Guaribas (⪪) → rio Itaim (⪪) → rio Canindé (⪪) → rio Parnaíba (⪪) → Atlantic NE (⪪)
Country
Brazil
Region
Piauí
Tributaries
(Without claiming to be exhaustive):
(Without claiming to be exhaustive):
Flows in
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