Campo Alegre River
Location
Country	Brazil
Physical characteristics
Source
• location	Pará state
Mouth
• coordinates	9°21′S 50°4′W / 9.350°S 50.067°W / -9.350; -50.067

The Campo Alegre River is a river of Pará state in north-central Brazil.

• List of rivers of Pará

• Brazilian Ministry of Transport