Aguja de la Silla, West Face, Attempt. In January, 2000, Tommy Bonapace and Christian Zenz (Austria) attempted the west face of Aguja de la Silla in alpine style, spending six days on the wall. They retreated 300 meters from the summit. Bonapace had previously attempted this line between February 16-24, 1995, with Toni Ponholzer (Austria). The two had climbed alpine style and retreated after 23 pitches, some 450 meters from the summit.
Rolando Garibotti, Club Andino Bariloche