Mount Everest - Exploration, Climbing, Records: Mount Everest is difficult to get to and more difficult to climb, even with the great advances made in equipment, transportation, communications, and weather forecasting since the first major expeditions in the 1920s. The mountain itself lies in a highly isolated location. There are no roads in the region on the Nepalese side, and before the 1960s all goods and supplies had to be carried long distances by humans and pack animals. Since then, airstrips built in the Khumbu valley have greatly facilitated transport to the Everest vicinity, although the higher areas have remained accessible only via footpaths. In Tibet