The first ascent of the Aletschhorn dates from 18 June 1859 and was mastered by the Englishman Francis F. Tuckett and the mountain guides Johann Josef Benet, Peter Bohren and V. Tairraz.
After the Finsteraarhorn, the Aletschhorn is the second highest peak in the Bernese Alps massif. The Grosse Aletschfirn is located on its northern flank. It is also the starting point of the Oberaletsch Glacier and the Mittelaletsch Glacier. The Aletschhorn is considered the coldest mountain in the Alps because it is exposed and susceptible to wind.
A mountain upside down
Geologically speaking, the world is upside down on the Aletschhorn: The significantly older Altkristallin summit section stands on the younger Central Aaregranite. While the southern slate shell of Altkristallin is between 1.2 and 2 billion years old, the young Aaregranite is about 300 million years old.
Ascent to the Aletschhorn
Although the normal ascents are relatively easy from an alpine point of view, the tour is very long and also tricky in poor visibility at the summit. The shortest and technically easiest route leads from the Mittelaletsch bivouac via the NE ridge. In summer, however, the SW ridge from the Oberaletsch hut is the most frequented. It is more difficult than the NE ridge and considerably longer.
Guided tour of the Aletschhorn
The challenging high-altitude tour in the heart of the Swiss Alps Jungfrau-Aletsch UNESCO World Heritage Site can of course also be undertaken in the company of an experienced mountain guide.
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