Das Velhas River
| das Velhas River | |
|---|---|
| Location | |
| Country | Brazil |
| State | Minas Gerais |
| Physical characteristics | |
| Source | |
| • location | Ouro Preto |
| Mouth | São Francisco River |
• coordinates | 17°12′S 44°50′W / 17.200°S 44.833°W |
| Length | 801 kilometres (498 mi) |
The das Velhas River (Portuguese: Rio das Velhas), is the longest tributary of the basin of the São Francisco river. Its water flows into that river at a place called Barra do Guaicuí, in the municipality of Várzea da Palma, Minas Gerais. The source was found to be the Andorinhas waterfall located in the municipality of Ouro Preto.