It was first climbed on 29 June 1865 by Edward Whymper, Christian Almer and Franz Biner, a fortnight before the fateful first ascent of the Matterhorn. Whymper was unable to climb with his usual guide, Michel Croz, who had to wait for a client in Chamonix. As a result, Whymper hired the services of Christian Almer, who had been with Alfred Wills on the Wetterhorn in 1854. Whymper describes the push for the summit: