Ussuri River
Chinese (Wade-Giles) Wu-su-li Chiang, or (Pinyin) Wusuli Jiang, northward-flowing tributary of the Amur River that for a considerable distance forms the boundary between China (Heilungkiang province) and Russia (Siberia). The Ussuri is formed by the confluence of the Ulakhe and Arsenyevka rivers, both of which rise on the southwestern slopes of the Sikhote-Alin mountains. Its length from the source of the Ulakhe is 565 miles (909 km), and
