page_title: Halligen
hierarchical_section_title: Halligen
caption_attribution_description: English: Map of North Frisian Islands.
context_page_description: The Halligen or the halliger are small islands without protective dikes. There are ten German halligen in the North Frisian Islands on Schleswig-Holstein's Wadden Sea-North Sea coast in the district of Nordfriesland and one hallig at the west coast of Denmark.
  The name is cognate to Old-English halh, meaning "slightly raised ground isolated by marsh". The very existence of the halligen is a result of frequent floods and poor coastal protection. The floods were much more common in the Middle Ages and coastal protection was much poorer.
  The halligen have areas ranging from 7 to 956 ha, and are often former parts of the mainland, separated therefrom by storm tide erosion. Some are also parts of once much bigger islands sundered by the same forces. Sometimes, owing to sediment deposition, islands have actually grown together to form larger ones. Langeneß includes a former island by that same name, and two others that were called Nordmarsch and Butwehl.
  Dwellings and commercial buildings are built upon metre-high, man-made mounds, called Warften in German or Værft in Danish, to guard against storm tides. Some halligen also have overflow dikes.
  Not very many people live on the halligen.
context_section_description: The Halligen (German) or the halliger (Danish, singular Hallig) are small islands without protective dikes. There are ten German halligen in the North Frisian Islands on Schleswig-Holstein's Wadden Sea-North Sea coast in the district of Nordfriesland and one hallig at the west coast of Denmark (Danish Wadden Sea Islands).
  The name is cognate to Old-English halh, meaning "slightly raised ground isolated by marsh". The very existence of the halligen is a result of frequent floods and poor coastal protection. The floods were much more common in the Middle Ages and coastal protection was much poorer.
  The halligen have areas ranging from 7 to 956 ha, and are often former parts of the mainland, separated therefrom by storm tide erosion. Some are also parts of once much bigger islands sundered by the same forces. Sometimes, owing to sediment deposition, islands have actually grown together to form larger ones. Langeneß (or Langeness) includes a former island by that same name, and two others that were called Nordmarsch and Butwehl.
  Dwellings and commercial buildings are built upon metre-high, man-made mounds, called Warften in German or Værft in Danish, to guard against storm tides. Some halligen also have overflow dikes.
  Not very many people live on the halligen. Their livelihoods are mainly based on tourism, coastal protection, and agriculture. This last activity mainly involves raising cattle in the fertile, often flooded, salt meadows.
  The halligen are to be found in the Schleswig-Holsteinisches Wattenmeer National Park. The commercially developed halligen of Nordstrandischmoor, Gröde, Oland, Langeneß, and Hooge  are surrounded by the protected area, but not an integral part of it. The smaller halligen, Habel, Südfall, Süderoog, and Norderoog as well as the Hamburger hallig are parts of the national park. Walks on the tidal flats and informational meetings are offered by tourist boards and the park administration.
  In the west the German halligen are protected from the open sea by the North Frisian Barrier Island.
  The island of Mandø in the Danish Wadden Sea Islands is also technically one of the halligen, although it is far away from the other ten, which are quite near each other. Mandø can be reached from the mainland over the mudflats at low tide, when a tidal pathway (ebbevej in Danish, meaning "ebb-way") is above water.
caption: North Frisian and Danish Wadden Sea Islands with Halligen (darker green)
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