Walking in the United Kingdom the scrambling suddenly becomes much more serious. In Britain, the term "mountaineering" tends to be reserved for technical climbing on mountains, or for serious domestic hillwalking, especially in winter, with additional equipment such as ice axe and crampons, or for routes requiring rock-climbing skills and a rope, such as the traverse of the Cuillin ridge, on the Scottish island of Skye. The British Mountaineering Council provides more information on this topic. Navigation and map-reading are essential hillwalking skills on high ground and mountains, due to the variability of British and Irish weather and the risk of rain, low cloud, fog
Cuillin proportion compared to other equivalent land sales. Following the death of John MacLeod in 2007 his successor, Hugh Magnus MacLeod of MacLeod, found alternative funding sources, and as of 2017 ownership of the main range remains in the MacLeod family. The "Strathaird, Torrin and Sconser Estate" lies on the eastern side of Glen Sligachan, encompassing the Red Cuillin and Bla Bheinn: it is owned by the John Muir Trust, a charity that seeks to protect and enhance wild places. Strathaird Estate was formerly owned by musician Ian Anderson, the frontman for Jethro Tull, who sold the estate to the trust