Cuillin in colour, particularly in the shade, but when in sunlight the Black Cuillin can appear grey to brown in colour. The main ridge forms a narrow crest, with steep cliffs and scree slopes. The ridge is about 14 km long (measured from Gars-behinn in the south to Sgùrr nan Gillean in the northeast), and curves in an irregular semi-circle around Loch Coruisk, which lies at the heart of the range. The highest point of the Cuillin, and of the Isle of Skye, is Sgùrr Alasdair in the Black Cuillin at 992 m (3,255 ft). The Red Cuillin are mainly composed
South Soufriere Hills and the Soufrière Hills stratovolcano. It ranges in elevation from 200 to 750 m above sea level and contains tropical evergreen forest. Other IBAs on the island are the Northern Forested Ghauts and Centre Hills. The IBA was identified as such by BirdLife International because it supports, populations of bridled quail-doves, green-throated caribs, Antillean crested hummingbirds, scaly-breasted thrashers, pearly-eyed thrashers, brown tremblers, forest thrushes, Montserrat orioles and Lesser Antillean bullfinches. South Soufriere Hills South Soufriere Hills is a 35 ha patch of forest on the island of Montserrat, a British Overseas Territory in the Leeward Islands of the Caribbean Sea.