The Farne Islands are a group of islands off the coast of Northumberl England. The group has between 15 and 20 islands depending on the level of the tide. They form an archipelago, divided into the Inner Group and the Outer Group. The main islands in the Inner Group are Inner Farne, Knoxes Reef, the East and West Wideopens , and the Megstone; the main islands in the Outer Group are Staple Isl Brownsman, North and South Wamses, Big Harcar, and Longstone. The two groups are separated by Staple Sound. The highest point, on Inner Farne, is 62 feet above mean sea level.