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 1987. Everest remained a difficult climb for decades, even for serious attempts by professional climbers and large national expeditions, which were the norm until the commercial era began in the 1990s. By March 2012, Everest had been climbed 5,656 times with 223 deaths. Although lower mountains have longer or steeper climbs, Everest is so high the jet stream can hit it. Climbers can be faced with winds beyond when the weather shifts. At certain times of the year the jet stream shifts north, providing periods of relative calm at the mountain. Other dangers include blizzards and avalanches. By 2013, The