Pacajá River
| Pacajá River | |
|---|---|
| Native name | Rio Pacajá (Portuguese) | 
| Location | |
| Country | Brazil | 
| Physical characteristics | |
| Source | |
| • location | Pará state | 
| Mouth | |
|  • coordinates | 1°59′59″S 50°51′17″W / 1.999585°S 50.854610°W | 
| Length | 400 kilometres (250 mi) | 
| Basin features | |
| River system | Pará River | 
The Pacajá River (Portuguese: Rio Pacajá) is a river of Pará state in north-central Brazil. It is a tributary of the Pará River, a channel that connects the Amazon and Tocantins rivers to the south of Marajó island.
The basin of the Pacajá River is in the Xingu–Tocantins–Araguaia moist forests ecoregion.