Preto River (Araçuaí River)

Preto River
Stretch of the upper river
Mouth location in Brazil
Native name	Rio Preto
Country	Brazil
Basin features
Main source	Rio Preto State Park
River mouth	17°51′10″S 43°14′05″W / 17.852673°S 43.234843°W / -17.852673; -43.234843Coordinates: 17°51′10″S 43°14′05″W / 17.852673°S 43.234843°W / -17.852673; -43.234843
River system	Araçuaí River

The Preto River (Portuguese: Rio Preto: Black River) is a river in the state of Minas Gerais, Brazil. It is a tributary of the Araçuaí River.

The Rio Preto was declared a "permanently protected river" in 1991 in response to demand from the local community. The Rio Preto State Park, which protects the river's sources, was created by decree 35.611 of 1 June 1994, with an area of 10,755 hectares (26,580 acres).