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- Portuguese:
- Rio Acre
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Acre River
river, Brazil
Also known as: Aquiri River, Rio Acre
How to Pronounce Acre
See all videos for this articleAcre River, river, chiefly in western Brazil, rising on the Peruvian border, along which it continues eastward to form part of the BrazilâBolivia border. Turning north at BrasilĂ©ia, the remainder of its 400-mi (645-km) course flows in a north-northeasterly direction, through the Brazilian states of Acre and Amazonas, to join the Rio Purus, a tributary of the Amazon, at BĂŽca do Acre. It was formerly called the Aquiri.
The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Meg Matthias.
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