The Grey Man of Ben Macdui is a legendary figure associated with the mountain Ben Macdui, the second highest peak in the Cairngorms of Scotland. This mysterious entity is often described as a tall, shadowy figure that appears to hikers and climbers, instilling a sense of unease or fear. Sightings typically occur in misty or foggy conditions, contributing to the eerie atmosphere of the area. The legend of the Grey Man has been part of local folklore for many years, with some attributing it to the effects of altitude and isolation. While many dismiss the sightings as mere hallucinations or tricks of the light, others believe the figure represents a supernatural presence. The phenomenon has intrigued both locals and visitors, making it a notable aspect of the region's cultural history.