Mainart River
Location
Country	Brazil
Physical characteristics
Source
• location	Minas Gerais state

The Mainart River is a river of Minas Gerais state in southeastern Brazil.

• List of rivers of Minas Gerais

• Map from Ministry of Transport
• Rand McNally, The New International Atlas, 1993.

20°27′S 43°17′W / 20.450°S 43.283°W / -20.450; -43.283