Arapiuns River
| Arapiuns River | |
|---|---|
| Origin | Pará state |
| Basin countries | Brazil |
The Arapiuns River is a river in Pará state in north-central Brazil. It is a tributary of the Tapajós, and merges into the latter river about 30 km (19 mi) before Tapajós merges into the Amazon River. Arapiuns is a blackwater river.