| Uailan River | |
|---|---|
| Country | Brazil |
| Basin features | |
| Main source | Roraima state |
| River mouth | Maú or Ireng River 4°36′20″N 60°07′23″W / 4.605547°N 60.123036°WCoordinates: 4°36′20″N 60°07′23″W / 4.605547°N 60.123036°W |
The Uailan River is a river of Roraima state in northern Brazil. It is a tributary of the Maú or Ireng River.
The sources of the river are in the 116,748 hectares (288,490 acres) Monte Roraima National Park, created in 1989.