How Dangerous Is Mount Everest?

Everything you need to know about the world’s highest mountain

  • Named for: Sir George Everest, a British surveyor-general of India
  • Tibetan name: Chomolungma or “Goddess Mother of the World”
  • Longitude: 86º55’40" E, Latitude: 27º59’16" N
  • Age: approximately 60 million years old
  • Visible from the Summit: Tibet, India, and Nepal
  • In May 1999, scientists supported by the National Geographic Society determined that the precise height of Everest was seven feet higher than previously reported. The elevation was revised from 8848 to 8850 metres.
  • For every 60 climbers who leave Base Camp, only four will reach the summit and two will die.
  • Its summit is believed to be about as high as humans can climb without wearing a pressure suit.
  • On the top of Mount Everest, the atmospheric pressure in one-third that of sea level.
  • The cost to buy a Nepal permit to climb Mount Everest via the normal South Col Route is $70,000 for an expedition of seven climbers. An average of 27,000 tourists a year travel to Everest, compared to the 3,000 local Sherpa people who live in the area.
  • The high climbing season is during May and June when weather conditions are not as severe.
  • During the spring of 2001, more than 500 climbers from 49 expeditions attempted to    climb Everest.
  • In the last 50 years, 10,000 men and women have tried to reach the highest point on Earth. About 1,000 have succeeded and more than 250 have died trying. Forty-seven of those who have died were Sherpas.
  • Clean-up efforts between 1994 and 1999 resulted in the removal of more than 20,000 pounds of trash from Everest. Efforts led by the Sagarmatha Environmental Expedition (SEE) climbing team included Brent Bishop.
  • Sherpas hold the records for the fastest Everest ascent (16 hours/56 minutes) and the most number of summits by any one person – 11 times.
  • Above 7,000 metres most climbers rely on bottled oxygen to reach the summit.

Discuss this article


Never miss a Nat Geo moment

Your email address
We use our own and third-party cookies to improve our services, personalise your advertising and remember your preferences. If you continue browsing, or click on the accept button on this banner, we understand that you accept the use of cookies on our website. For more information visit our Cookies Policy AcceptClose cookie policy overlay