Do you need oxygen to climb Mont Blanc?

Very high altitude is 3650m and above. As the altitude increases the concentration of oxygen decreases. Mont Blanc at 4807m is in the very high range. What this means for you on mont Blanc is that it is difficult to get enough oxygen into your body as you ascend the mountain.



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Oxygen pressure – 160 mm of mercury at sea level, 85 mm at the top of Mont Blanc : air is half rich in oxygen. 79% of people asked, once returned from a Mont-Blanc ascent, said they suffered from AMS : headaches, nausea,vomiting, oedema, insomnia, fatigue, dizziness, etc.

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Mont Blanc Massif has the highest peak in all of Europe. People die every year due to the high altitude and rock slides, making it arguably the most dangerous mountain to climb. There have been dozens of deaths every year. The total number of fatalities is between 6,000-8,000.

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You absolutely MUST have solid endurance fitness to do this (mountaineering experience not required) If you are overweight you will almost certainly fail. You could try our North Wales based MONT BLANC TRAINING WEEKEND to get the best idea of what's required.

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Mont Blanc (4808m) is harder than Aconcagua (6960m) and much harder than Kilimanjaro (5895m) The effort required on summit day exceeds that of running a marathon.

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Yet, when searching online for the world's most technically challenging mountains, Mont Blanc rarely even makes the Top 10. Instead, you'll find peaks in the Himalayas, like K2, Annapurna, and Everest, or Denali, the tallest mountain in North America, known for its rugged isolation and crippling temperatures.

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One of the big challenges is altitude. On top of this, given the glaciated conditions of Mont Blanc, you will also need experience using crampons and ice axe. Due to the possibility of encountering crevasses, all guided parties will be roped.

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The best time to climb Mont Blanc is between June to September with the months of July and August considered the 'peak' period. The weather is generally reliable but mountain conditions can be unpredictable.

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