The Ussuri River is a significant waterway located in the Russian Far East. It flows for about 897 kilometers and serves as a natural border between Russia and China. The river is a tributary of the Amur River, which eventually empties into the Sea of Okhotsk. The Ussuri region is known for its rich biodiversity, including various species of plants and animals. The surrounding area features temperate forests and is home to wildlife such as the Siberian tiger and Amur leopard. The river also plays a crucial role in local transportation and fishing activities.