Timeline of Mount Everest expeditions Timeline of Mount Everest expeditions Mount Everest is the world's highest mountain, with a peak at 8,848 metres (29,029 ft) above sea level. It is situated in the Himalayan range. The first British expedition—organized and financed by the newly formed Mount Everest Committee—came under the leadership of Colonel Charles Howard-Bury, with Harold Raeburn as mountaineering leader, and included George Mallory, Guy Bullock, and Edward Oliver Wheeler. It was primarily for mapping and reconnaissance to discover whether a route to the summit could be found from the north side. As the health of Raeburn broke down, Mallory assumed responsibility for most
Mount Everest in 2017 with hemophilia to reach the top of Everest. In the 21st century, an average of 7 people have died each year trying to summit Everest or as part of base camp support. In the four years before 2017, 46 people died, with higher numbers due to avalanches. Some of the biggest dangers come from the cold, falls, avalanches, and high altitude, which can trigger altitude sickness. On April 30, Ueli Steck, described as the greatest climber of his time, was warming up for an Everest-Lhotse summit attempt with a solo climb on Mount Nuptse when he fell over 3000 feet.