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
Scottish island names now extinct Cumbric language. These are collectively known as the Brythonic languages. It is clear that whenever place names are recorded at an early date as having been transposed from a form of P-Celtic into Gaelic that this occurred prior to the transformation from "Old British" into modern Welsh. There are numerous Scottish place names with Brythonic roots although the number of island names involved is relatively small. The Pictish language offers considerable difficulties. It is a term used for the language(s) thought to have been spoken by the Picts, the people of northern and central Scotland in the Early