St. Vincent, chief island of the chain, is 18 mi (29 km) long and 11 mi (18 km) wide and is located 100 mi (161 km) west of Barbados. The island is mountainous and well forested. St. Vincent is dominated by the volcano Mount Soufrière, which rises to 4,048 ft (1,234 m). The Grenadines, a chain of nearly 600 islets with a total area of only 17 sq mi (27 sq km), extend for 60 mi (96 km) between St. Vincent and Grenada. The main islands in the Grenadines are Bequia, Balliceau, Canouan, Mayreau, Mustique, Isle D'Quatre, Petit Saint Vincent, and Union Island.
