Бокситогорский район
The Kolp () is a river in Boksitogorsky District of Leningrad Oblast and in Babayevsky and Kaduysky Districts of Vologda Oblast in Russia. It is a right tributary of the Suda and belongs to the river basin of the Volga. It is long, with a drainage basin of and an average discharge of measured upstream from its mouth. Its main tributaries are the Vesyarka and the Krupen. The town of Babayevo is located by the Kolp.