Yes, people have climbed Mount Everest without supplemental oxygen.
The First Successful Ascent
The first successful ascent of Mount Everest without the use of supplemental oxygen was accomplished by Reinhold Messner and Peter Habeler on May 8, 1978. The reference, from PBS's NOVA Online, states:
Sometime between 1 and 2 in the afternoon on May 8, 1978, Messner and Habeler achieved what was believed to be impossible—the first ascent of Mt. Everest without oxygen.
Why Climbing Everest Without Oxygen Is Significant
Climbing Everest without supplemental oxygen is considered a major feat in mountaineering for several reasons:
- Extreme Altitude: The summit of Everest is at an altitude where the air has very low levels of oxygen. The human body struggles to function normally.
- Physiological Challenge: Without extra oxygen, climbers face a heightened risk of altitude sickness, including high-altitude cerebral edema (HACE) and high-altitude pulmonary edema (HAPE), which can be fatal.
- Mental Fortitude: Climbing without oxygen requires intense physical conditioning and a high level of mental strength, as well as a deep understanding of high-altitude physiology.
Key Takeaways
- Reinhold Messner and Peter Habeler were the first to successfully climb Mount Everest without supplemental oxygen in 1978.
- This achievement demonstrated that climbing the world’s highest peak without supplemental oxygen was indeed possible.
- Climbing without oxygen presents immense physiological and mental challenges, making it a very difficult and dangerous undertaking.