| Arapiuns River | |
|---|---|
| Country | Brazil |
| Basin features | |
| Main source | Pará state |
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.
Coordinates: 2°18′S 55°00′W / 2.300°S 55.000°W