Vorona (Khopyor)
The Vorona is a river in the Penza, Tambov, and Voronezh oblasts in Russia. It is a right tributary of the Khopyor, and is long, with a drainage basin of. The average discharge at the mouth is. The river is frozen over from the beginning of December to the first half of April. Its main tributary is the Chembar.
The towns of Kirsanov, Uvarovo, and Borisoglebsk are along the Vorona.
