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 abandoned due to medical concerns. One reason for this was that a weather window opened up earlier than expected, but her body was not taking in enough oxygen. Everest has claimed perhaps 300 lives in the last century of expeditions on the mountain, often with little regard to a climber's skillit has claimed the careless and sometimes the careful as well. The weather window is a time, in modern times carefully watched with modern weather observation and prediction technology, to find the time of calm to avoid treacherously high winds which are known to reach 175 mph (280 kph). A