by Heiko Bleher Igarapé Sauvaudaua is a breathtaking stream. There are only two other rivers in Brazil are known, the earlier mentioned Bonito and the water plant richest river on earth, the Rio Guaporé, the border river between extreme western Brazil and Bolivia… But back to the Sauvaudaua. Igarapé Sauvaudaua, affluent of the Rio Aracá. [...]