In 1881, on 31 July, he attempted the Mittellegigrat (north-east ridge) of the Eiger, with J. Baumann, Johann Jaun, Andreas Maurer and Emile Rey. This party reached the big step on the ridge, which is now surmounted with the aid of a fixed rope. The ridge was finally ascended in 1925 by Maki Yūkō, Fritz Amatter, Fritz Steuri and Samuel Brawand.