Itaquai River
| Itaquai River | |
|---|---|
| Origin | Amazonas state |
| Basin countries | Brazil |
The Itaquai River is a river of the upper Amazon Basin. It forms the eastern boundary of Atalaia do Norte municipality in the Amazonas state of north-western Brazil. Its main tributary is the Rio Branco. Downstream it joins the Ituí River to form the upper Solimões.