Arinos River
Arinos River, river, west-central Brazil. It rises in the Araporé Mountains northeast of Cuiabá near Diamantino and flows west for a short distance and then north-northwest across the Mato Grosso Plateau to its junction with the Juruena River, which is a major headstream of the Tapajós River.
This article was most recently revised and updated by Amy McKenna.
Citation Information
Article Title:
Arinos River
Website Name:
Encyclopaedia Britannica
Publisher:
Encyclopaedia Britannica, Inc.
Date Published:
01 March 2007
Access Date:
November 14, 2026