Skye that requires technical climbing skills to reach the summit. These hills make demands of the hill walker that exceed any others found in Scotland and a full traverse of the Cuillin ridge may take 15–20 hours. The Red Hills (Gaelic: ) to the south are also known as the Red Cuillin. They are mainly composed of granite that has weathered into more rounded hills with many long scree slopes on their flanks. The highest point of these hills is Glamaig, one of only two Corbetts on Skye. The northern peninsula of Trotternish is underlain by basalt, which provides relatively rich
Scottish island names Shetland, and Kirk Rocks in Orkney. Great Cumbrae and Little Cumbrae are English/Brythonic in derivation and there are other examples of the use of "great" and "little" such as Great Bernera and Rysa Little which are English/Gaelic and Norse/English respectively. The informal use of "Isle of" is commonplace, although only the Isle of Ewe, the Isle of May and Isle Martin of the larger Scottish islands use this nomenclature in a formal sense. "Island" also occurs, as in Island Macaskin and Mealista Island although both islands are also known by their Gaelic names of "Eilean Macaskin" and "Eilean Mhealasta". Holy