The Sikhote-Alin is a mountain range in Primorsky and Khabarovsk Krais, Russia, extending about 900 kilometres to the northeast of the Russian Pacific seaport of Vladivostok. The highest summits are Tordoki Yani at 2,077 metres above sea level, Ko Mountain in Khabarovsk Krai and Anik Mountain in Primorsky Krai.