Cuillin criteria for these hill listings. Cuillin The Cuillin ( or ') is a range of rocky mountains located on the Isle of Skye in Scotland. The main Cuillin ridge is also known as the Black Cuillin to distinguish it from the Red Cuillin (', known locally as Red Hills), which lie to the east of Glen Sligachan. The peaks of the Black Cuillin are mainly composed of gabbro, a very rough igneous rock which provides a superb grip for mountaineers; and basalt, which can be very slippery when wet. The rocks forming the ridge of the Black Cuillin (and outliers
Cheviot Hills Cheviot Hills The Cheviot Hills (/'tʃiːvɪət/) are a range of rolling hills straddling the Anglo-Scottish border between Northumberland and the Scottish Borders. The English section is within the Northumberland National Park. The range includes The Cheviot (the highest hill), plus Hedgehope Hill to the east, Windy Gyle to the west, and Cushat Law and Bloodybush Edge to the south. The hills are sometimes considered a part of the Southern Uplands of Scotland as they adjoin the uplands to the north. Since the Pennine Way runs through the region, the hills are also considered a part of the northern Pennines although