| Umari River | |
|---|---|
| Native name | Rio Umari |
| Country | Brazil |
| Basin features | |
| Main source | Amazonas state |
| River mouth |
Purus River 7°04′35″S 64°34′20″W / 7.076280°S 64.572116°WCoordinates: 7°04′35″S 64°34′20″W / 7.076280°S 64.572116°W |
| River system | Purus River. |
The Umari River is a river of Amazonas state in north-western Brazil, a tributary of the Purus River.
The river flows through the Mapinguari National Park, a 1,776,914 hectares (4,390,850 acres) conservation unit created in 2008.