Kangchenjunga
Kangchenjunga Kangchenjunga , also spelled Kanchenjunga , Kanchanjanghā and Khangchendzonga , is the third-highest mountain in the world . Its summit lies at 8,586 m (28,169 ft) in a section of the Himalayas , the Kangchenjunga Himal , which is bounded in the west by the Tamur River , in the north by the Lhonak River and Jongsang La , and in the east by the Teesta River . It lies in the border region between Nepal and Mangan district , Sikkim state of India , with three of the five peaks, namely Main, Central and South, directly on the border, and the peaks West and Kangbachen in Nepal's Taplejung District . Until 1852, Kangchenjunga was assumed to be the highest mountain in the world , but calculations and measurements by the Great Trigonometrical Survey of India in 1849 showed that Mount Everest , known as Peak XV at the time, is actually higher. After allowing for further verification of all calculations, it was officially announce