The Velikaya (Russian: Великая) is a river in Novosokolnichesky, Pustoshkinsky, Sebezhsky, Opochetsky, Pushkinogorsky, Ostrovsky, Palkinsky, and Pskovsky Districts of Pskov Oblast, as well as in the city of Pskov in Russia. It is a major tributary of Lake Peipus and belongs to the basin of the Narva River. It is 430 kilometres (270 mi) long, and the area of its basin 25,200 square kilometres (9,700 sq mi). The name of the river means literally "Grand" or "Great" in Russian. The towns of Opochka, Ostrov and Pskov are located on the banks of the Velikaya. The principal tributaries of the Velikaya are the Alolya River (right), the Issa River (left), the Sorot River (right), the Sinyaya River (left), the Utroya River (left), the Kukhva River (left), the Cheryokha River (right), and the Pskova River (right).