Mont Blanc massif led to calls to limit access to the most popular summits and for the mountains to be treated with greater respect. The Mont Blanc massif has provided numerous opportunities for academic research, dating back to the very first ascent of Mont Blanc in 1786 during which Michel Paccard carried scientific equipment to confirm it as the highest summit. In 1820, an ill-fated expedition led by Dr Hamel included pigeons intended for release at varying altitudes to measure the impact of reduced air density on their ability to fly. In 1890, Joseph Vallot built a small meteorological observatory at approximately between
The White Spider of the mountain, towering above the town of Grindelwald. As Harrer describes, and the climbers discovered, the White Spider is the key to a successful ascent of the Nordwand. Although physically exhausted by the time they reach that point, climbers must navigate the steep ice-field to reach the peak's summit. The White Spider acts as a funnel, with rock and ice slides channelled through the ice field, putting the climbers in great danger while on the field. The White Spider The White Spider (1959 with chapters added in 1964; original title: Die Weisse Spinne) is a book written by Heinrich