A dramatic video captured by a climber on Mont Blanc shows a substantial rockfall descending the Goûter Couloir, a notoriously dangerous route colloquially known as 'Death Pass'. The footage documents the moment large rocks and debris tumbled down the steep slope, narrowly missing a group of climbers who were traversing the area. The incident highlights the persistent objective dangers faced by mountaineers attempting ascents of Mont Blanc, particularly on routes prone to rockfall and avalanches. The Goûter Couloir is a critical and often unavoidable section of the most popular normal route to the summit of Mont Blanc, which stands at 4,808.7 meters (15,777 feet). Its exposure to rockfall is a well-documented hazard, leading to its grim nickname. Climbers often have to ascend or descend this couloir quickly, especially during warmer periods when the snow and ice that might stabilize the rocks are reduced, or after periods of freeze-thaw cycles that can dislodge loose scree. The specific date of this incident is not provided in the available information, but the visual evidence underscores the immediate and unpredictable nature of the risks involved in high-altitude mountaineering. The video, shared by the climber, serves as a stark reminder of the need for constant vigilance, proper risk assessment, and appropriate safety equipment when navigating such environments. While the exact number of climbers present or the precise volume of the rockfall are not detailed, the video clearly shows a significant cascade of material. The incident did not result in reported injuries or fatalities, according to the information provided, indicating that the climbers were able to react and move to safety in time. However, the event serves as a potent case study for mountaineering safety protocols and the inherent perils of alpine environments. The Goûter Couloir's geological instability is a continuous challenge for mountain guides and rescue services operating in the Mont Blanc massif, a region that attracts thousands of climbers annually. The French Alpine Club and local Chamonix guides frequently issue warnings about the conditions in the couloir, advising climbers to monitor weather forecasts and snow conditions closely, and to be prepared for rapid changes. The incident reinforces the importance of experienced judgment and the potential for even well-prepared expeditions to encounter life-threatening situations due to natural forces.