Introduction to Camp 2: Camp 2, at an altitude of 3,000 meters, is located at the upper end of the Kahiltna Glacier. The main risk is: dark crevasses. From Camp No. 2 to Camp No. 3 at an altitude of 3,400 meters, the traveling distance is 2.5 kilometers, the ascent is 400 meters, the slope is steep, and the estimated traveling time is 5 hours. Potential risk: avalanche.