Mont Blanc massif less than 21 hours. The main mountain passes, or cols, that connect different valleys and towns around the Mont Blanc massif are: The first ascent of Mont Blanc in 1786 by Jacques Balmat and Michel Paccard initiated the sport of alpine mountaineering, and it was during the golden age of alpinism (185465) and the silver age of alpinism (186582) that the majority of the main summits of the massif were first attained. Members of the England-based Alpine Club were instrumental in many of the first ascents, usually accompanied by guides from the towns of Chamonix or Courmayeur, such as Michel
1996 Mount Everest disaster supplemental oxygen, guide Boukreev from the Mountain Madness team reached the summit (8,848 m/29,029 ft) first at 13:07. Many of the climbers had not yet reached the summit by 14:00, the last safe time to turn around to reach Camp IV before nightfall. Boukreev began his descent to Camp IV at 14:30, having spent nearly 1.5 hours at or near the summit helping others complete their climb. By that time, Hall, Krakauer, Harris, Beidleman, Namba and Mountain Madness clients Martin Adams and Klev Schoening had reached the summit, and the remaining four Mountain Madness clients had arrived. After this time,