Mount Everest the world highest mountain. It also known in Nepal as Sagarmatha and in China as Chomolungma. It located at Solukhumbu District, Sagarmatha Zone ,Nepal . The current official height of 8,848m as recognized by China and Nepal was established by a 1955 Indian survey and subsequently confirmed by a Chinese survey in 1975. Tenzing Norgay and Edmund Hillary made the first official ascent of Everest in 1953 using the southeast ridge route.