The Alegre River () is a river in the state of Mato Grosso, Brazil.
Course
The Alegre River rises in the Serra de Santa Bárbara State Park, created in 1997. It flows in a generally northwest direction, receiving the Barbado River on its left, then flows north until it joins the Guaporé River from the left.
See also List of rivers of Mato Grosso
References
Sources