Matyra

The Matyra (Маты́ра) is a river in the Tambov and Lipetsk oblasts of Russia. It is a left tributary of the river Voronezh (in the Don's drainage basin). It has a length of 180 km and a drainage basin of 5180 km2. The average discharge 39 km from its mouth is 11.7 m3/s. The town of Gryazi is along the Matyra.

A reservoir was created on the river in 1976.