Arapiuns River

Arapiuns River
Location
CountryBrazil
Physical characteristics
Source 
  locationPará state

The Arapiuns River is a river in Pará state in north-central Brazil, which 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.