Mountain Madness interests. While leading Mountain Madness, Fischer became renowned for his ascents of the world's highest mountains made without the use of supplemental oxygen. Fischer and Wally Berg were the first Americans to summit Lhotse, the world's fourth highest mountain (27,940 feet / 8516 m), located next to Mount Everest. He and Ed Viesturs were the first Americans to summit K2, (28,251 feet / 8611m) in the Karakoram of Pakistan without supplemental oxygen. During his stewardship of Mountain Madness, Fischer led social and environmental initiatives to help people in the countries in which Mountain Madness traveled. As the leaders of the
Ganderbal district Great Trigonometric Survey's Thomas Montgomerie in 1856 and made the first survey of the Karakoram some to the south, and sketched the two most prominent peaks, labelling them K1 and K2. Harmukh was later climbed by many other climbers. Therefore, Harmukh is the mountain from which the world‘s 2nd highiest mountain peak K2 was discovered and the Serveyer‘s mark K2 continues to be the name. Gangabal Lake (Urdu:-ﮔﻨﮕﺒﻞ ﺟﮭﻴﻞ), also called Gangbal Lake, is a lake situated at the foothills of Mount Haramukh (the highest mountain peak in the vicinity of Kashmir valley) in Ganderbal district, north of Srinagar city