The Ussuri River or Wusuli River (Russian: река Уссури; ), runs through Khabarovsk and Primorsky Krais, Russia, and the southeast region of Northeast China. It rises in the Sikhote-Alin mountain range, flowing north and forming part of the Sino-Russian border (which is based on the Sino-Russian Convention of Peking of 1860) until it joins the Amur River as a tributary to it at Khabarovsk . It is approximately long. The Ussuri River drains the Ussuri basin, which covers . Its waters come from rain (60%), snow (30–35%) and subterranean springs. The average discharge is and the average elevation is .