Mount Everest Mount Everest Mount Everest, known in Nepali as Sagarmatha () and in Tibetan as Chomolungma (), is Earth's highest mountain above sea level, located in the Mahalangur Himal sub-range of the Himalayas. The international border between Nepal (Province No. 1) and China (Tibet Autonomous Region) runs across its summit point. The current official elevation of , recognized by China and Nepal, was established by a 1955 Indian survey and subsequently confirmed by a Chinese survey in 1975. In 2005, China remeasured the rock height of the mountain, with a result of 8844.43 m. There followed an argument between China and
Mount Everest Camp II at in 12 minutes (some sources say 11 minutes). Boivin would not repeat this feat, as he was killed two years later in 1990, base-jumping off Venezuela's Angel Falls. In 1991 four men in two balloons achieved the first hot-air balloon flight over Mount Everest. In one balloon was Andy Elson and Eric Jones (cameraman), and in the other balloon Chris Dewhirst and Leo Dickinson (cameraman). Leo went on to write a book about the adventure called "Ballooning Over Everest". The hot-air balloons were modified to function at up to 40,000 feet altitude. Reinhold Messner called one of