The Nerl is a river in Pereslavsky District of Yaroslavl and Kalyazinsky District of Tver Oblast in Russia, a right tributary of the Volga. The length of the river is 112 kilometres (70 mi). The area of its drainage basin is 3,270 square kilometres (1,260 sq mi). Its main tributary is the 91 km long Kubr (left), which rises in the Lyakhovo marshes.