Mont Blanc is the closest big mountain we offer, and at the same time the most technical. A little over six hours' drive from Brussels stands the highest summit in Western Europe, 4,808 metres, and it is the only destination we offer where you work on glacier terrain with crampons, rope and ice axe.
This article is about what that means in practice, and why this mountain says no more often than the others.
What makes glacier terrain different
On Kilimanjaro or the Atlas you walk. Here you move across ice, and that is a different craft.
You walk roped up, which means your pace is not your own: you are tied to the people in front of and behind you, and the distance between you has to stay constant. That sounds simple until you try it on a slope where one person wants to go faster and another cannot go on.
You learn to work with crampons, which changes the way you step: wider, flatter, and with the constant awareness that a point catching in your own trouser leg is the most common mistake there is. You learn to use an ice axe to arrest a fall, and you practise it until it is reflex rather than knowledge.
And you learn to read the mountain for crevasses. On a glacier, snow lies over openings you cannot see. Hence the rope team, hence the fixed spacing, and hence the rule that you walk where the guide walks and nowhere else.
All of that can be taught, and it is: the first days are given over to it. But it makes clear why this is an expedition and not a mountain walk.
Altitude in two days instead of ten
4,808 metres is lower than Chimborazo or Kilimanjaro. Yet the altitude is often felt more strongly here, and that comes down to the rate of ascent.
On an Andean mountain you build altitude over more than a week. In the Alps you can go from valley level to above four thousand within two days. Your body gets far less time to adapt, and you feel it: headaches at the hut, poor sleep, and a summit day on which you are running at half power.
That is why the programme includes acclimatisation days on lower peaks before the mountain itself comes into play. Anyone who sees those days as filler has not understood the destination.
The weather window decides everything
On most destinations you walk through bad weather. Not here. Wind above a certain threshold, fresh snow or temperatures that are too high simply make the mountain too dangerous, and then you do not go.
The climbing season runs roughly from mid June to mid September, and within that season it is the forecast of the last 48 hours that makes the decision. That means the programme has to be flexible: you keep spare days in hand and you move the summit day when the window moves.
It also means an expedition here can end without a summit, and that this is not a failure but a correct decision. In the Alps, turning back is a skill, not a defeat. Anyone who cannot accept that would do better to choose another destination.
On ice you walk where I walk, even when you cannot see why. Snow lies over crevasses you cannot judge. Choose your own line there and you are taking a risk for the whole rope team.
Koen De Leeuw, expedition leader
It is busy, and that comes with it
Mont Blanc is one of the most climbed high mountains in the world. In high season the huts are full and there are days when you walk up in a queue.
That, honestly, is not the sense of isolation you get in Patagonia or Lapland. Anyone looking for that should not be here. What Mont Blanc does give you is real alpine technique on the highest summit in Western Europe, close to home, in seven days. That is a different trade off, not a lesser one.
The highest demands on your base fitness
Mont Blanc is rated Challenge (4 out of 5) and lasts seven days. Of all the destinations we offer, this is the one that makes the highest demands on your base fitness: long days with ascent, at altitude, in kit that is heavier than you are used to.
Prior alpine experience is not required, because the technique is part of the programme. What is required is the discipline to do exactly what the guide says, even when you do not understand why. On glacier terrain that is not a formality.
Practical
The Mont Blanc expedition is planned for 2028 and lasts seven days, including technique training and acclimatisation. All the details are on the page for the Mont Blanc expedition.
Want to see the destinations side by side: which expedition suits you compares them on terrain and intensity. And the packing list for an expedition goes into detail on what has to come along.