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First Ascent

Name: First Ascent
Start: 1861-08-18
End: 1861-08-19
Location: Weisshorn

When: 18-19 August 1861
Where: Weisshorn
Part of: First ascent of the Weisshorn

John Tyndall and guides Bennen and Wenger started from Randa on 18 August 1861 and reached the Weisshorn summit on 19 August 1861.

The party, led by the physicist John Tyndall with guides J.J. Bennen and Ulrich Wenger, began the ascent from Randa at 1.00 p.m. on 18 August 1861. They bivouacked on the mountain and reached the Weisshorn summit on 19 August 1861, completing the first ascent of the fifth highest summit in the Alps.

Sources

Weisshorn Wikipedia, revision of 2026-08-16

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.