An icefall is a mass of ice that flows down a slope, often found at the edge of a glacier. It forms when the glacier moves over a steep drop, causing the ice to break and tumble, creating a dramatic and beautiful landscape. Icefalls can vary in size and shape, and they are typically characterized by their jagged ice formations and crevasses. One of the most famous icefalls is the Khumbu Icefall, located on the south side of Mount Everest. This icefall is a critical part of the climbing route for those attempting to reach the summit of Everest. Climbers must navigate through the shifting ice and crevasses, making it a challenging and dangerous section of the ascent.