Mount Everest to climbers on those routes but also to the base camps. 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
Mount Everest reconnaissance from Nepal Mount Everest reconnaissance from Nepal After World War II, with Tibet closing its borders and Nepal becoming considerably more open, Mount Everest reconnaissance from Nepal became possible for the first time culminating in the successful ascent of 1953. In 1950 there was a highly informal trek to what was to become Everest Base Camp and photographs were taken of a possible route ahead. Next year the 1951 British Mount Everest reconnaissance expedition reconnoitred various possible routes to Mount Everest from the south and the only one they considered feasible was the one via the Khumbu Icefall, Western Cwm and South