Kangchenjunga (, Sikkimese and , ) is the third highest mountain in the world, and lies partly in Nepal and partly in Sikkim, India. It rises with an elevation of in a section of the Himalayas called Kangchenjunga Himal that is limited in the west by the Tamur River, in the north by the Lhonak Chu and Jongsang La, and in the east by the Teesta River.