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
Deaf climbers Deaf climbers Deaf climbers use alternative ways such as commands, hand tactics, and sometimes an Interpreter or hearing aid to assist them with their climb. They are capable of all types of climbing including bouldering, which consists of no ropes and usually a crash pad. Top roping, which uses a pre set anchor at the summit of your climb as well as a belayer who helps manage your climbing rope and your security during your climb. Also lead climbing, which is when the rope is attached to the climber, which the climber then clips onto either pre placed bolt anchors