| Gregório River | |
|---|---|
| Origin | Acre state |
| Mouth | Amazonas state |
| Basin countries | Brazil |
Gregório River is a river of Amazonas and Acre states in western Brazil.
One of the main tributaries is the River Juruá, which runs through the Brazilian states of Acre and Amazonas. It has a length total of 350 km. [1]