The Cuillin of Skye holds a revered status as one of the premier climbing destinations in the UK, often considered a pilgrimage site for climbers. Some argue that Scottish climbing traces its origins to this iconic location. Offering both summer and winter routes at the highest levels, the Cuillin boasts over 20 peaks interconnected by a narrow crest, providing some of the most exhilarating climbs in Europe. During winter, the Cuillin transforms into an Alpine-like landscape, with its ridges offering top-tier climbing experiences. The mixed climbing here rivals any other location in Scotland, with the addition of over 70 new winter routes in recent years showcasing the area's ongoing evolution. This guidebook is a publication of the Scottish Mountaineering Press, produced by the Scottish Mountaineering Club (SMC), offering invaluable insights and guidance for climbers exploring the Cuillin.