Das Velhas River
General data
- Name: Das Velhas River
- Water system: Sao Francisco River
- Water type: River
- Progression: Sao Francisco River -> Atlantic Ocean -> Planet Earth
- Climates: Tropical, Subtropical
- Continents: South America
- Countries: Brazil
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.