The Chagodoshcha is a river in Boksitogorsky District of Leningrad Oblast and in Chagodoshchensky, Babayevsky, and Ustyuzhensky Districts of Vologda Oblast in Russia. It is a left tributary of the Mologa. It is 242 kilometres (150 mi) long, and the area of its basin 9,680 square kilometres (3,740 sq mi). The principal tributaries are the Lid (left), the Pes (right), and the Vnina (left).