Cuillin of granite, which is paler than the gabbro (with a reddish tinge from some angles in some lights) and has weathered into more rounded hills with vegetation cover to summit level and long scree slopes on their flanks. These hills are lower and, being less rocky, have fewer scrambles or climbs. The highest point of the red hills is Glamaig (775 m), one of only two Corbetts on Skye (the other being Garbh-bheinn, part of the small group of gabbro outliers surrounding Blà Bheinn). The scenic beauty of the Cuillin has led to it being designated a national scenic area,
Lists of mountains and hills in the British Isles the concept of isolation is embedded in the "qualitative" definition of a Scottish Munro, from the Scottish Mountaineering Club requirement of "sufficient separation" (instead of prominence). Mountains in Scotland are frequently referred to as "hills" no matter what their height, as reflected in names such as the "Cuillin Hills" and the "Torridon Hills". The "Database of British and Irish Hills" ("DoBIH") was created in 2001 "with the intention of providing a comprehensive, up-to-date resource for British hillwalkers". It is now maintained by a team of eight editors, and is described by the Long Distance Walkers Association as "now the most