Isle of Portland The borough and nearby Chickerell have been a Fairtrade Zone since 2007. The Isle of Portland lies in the English Channel, south of Wyke Regis, and west-southwest of London, at (50.55, −2.44). Portland is situated approximately halfway along the UNESCO Jurassic Coast World Heritage Site; the site includes of the Dorset and east Devon coast that is important for its geology and landforms. The South West Coast Path runs around the coast; it is the United Kingdom's longest national trail at . Portland is unusual as it is connected to the mainland at Abbotsbury by Chesil Beach, a tombolo which
Coastline of the North Sea not formed by sediment deposition; it is considerably older and is composed of early Triassic sandstone. Coastline of the North Sea The coastline of the North Sea has been evolving since the last glacier receded. The coastline varies from fjords, river estuaries to mudflats. The eastern and western coasts of the North Sea are jagged, as they were stripped by glaciers during the ice ages. The coastlines along the southernmost part are soft, covered with the remains of deposited glacial sediment, which was left directly by the ice or has been redeposited by the sea. The Norwegian mountains plunge into