La Voie Bonatti

In October 2010, two of France's top mountaineers, Christophe Dumarest and Yann Borgnet, fulfilled a mountaineer's dream: a six-day alpine-style ascent of Walter Bonatti's great routes through the Mont Blanc massif. Dumarest and Borgnet first climbed the north face of the Grandes Jorasses; they then climbed the Grand C…