Cuillin 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 such Bla Bheinn) are dark
Pentland Hills Pentland Hills The Pentland Hills are a range of hills to the south-west of Edinburgh, Scotland. The range is around 20 miles (32 km) in length, and runs south west from Edinburgh towards Biggar and the upper Clydesdale. Some of the peaks include: The hills span a number of council regions: from the City of Edinburgh and Midlothian in the north, south-west through West Lothian to the Scottish Borders and South Lanarkshire. The Pentland Hills Regional Park was designated in 1986. It covers an area of 90 km² (35 sq mi) at the northern end of the hills. The park,