Aiguille de Bionnassay
(4.052m)
A= Arête de Tricot: Eleonore Hasenclecer, Helène Wirthl, Max Helf, K.G. von Saar and R. Weitzenböck, (Jul 26th, 1911). Difficulty: AD.
B= N Wall (Central route left): Michel Parmentier and Jean-Baptiste Vaudelle, (Sep 17th, 1977). Length: 1.000m Difficulty: V°/TD-.
C= N Wall (Central route direct): Jean Afanassieff and Bernard Domenech, (Jul 1975). Length: 1.000m Difficulty: IV°/TD.
D= N Wall (Central route right): Bertrand Kempf and Claude Laurendeau, (Aug 30-31th, 1953). Length: 1.000m Difficulty: IV°/TD.
E= NNW and W Arête: E. N. Buxton, F.C. Grove, R.J.S. MacDonald, J.P. Cachat and M. Payot, (Jul 28th, 1865). Length: 1.050m Difficulty: D.