Alderney is the northernmost of the inhabited Channel Islands and is part of the Bailiwick of Guernsey. At 5 km (3 miles) long, 2.4 km (1 1⁄2 miles) wide, with an area of 8 km2 (3 square miles), this is the third-largest island of the Channel Islands.
Alderney is similar to the other Channel Islands in having sheer cliffs broken by stretches of sandy beach and dunes. The highest point is on the central plateau of the island at 90 metres (296 feet ).
Alderney Coast Map
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