Ytre Hvaler National Park

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Ytre Hvaler National Park
IUCN category II (national park)
Ytre Hvaler National Park logo.svg
Location Hvaler, Norway
Nearest city Fredrikstad
Coordinates 59°N 11°E / 59°N 11°E / 59; 11Coordinates: 59°N 11°E / 59°N 11°E / 59; 11
Area 354 km2 (137 sq mi), of which
14 km2 (5.4 sq mi) is land
340 km2 (130 sq mi) is water
Established 26 June 2009
Governing body Norwegian Directorate for Nature Management

Ytre Hvaler National Park (Norwegian: Ytre Hvaler nasjonalpark) is a national park located within the municipalities of Hvaler and Fredrikstad in Østfold, Norway. The park was established on 26 June 2009 and was the first national marine park in the country of Norway.[1]

Ytre Hvaler is mostly a marine park, covering the outer parts of the skerries of the east shore of Oslofjord. To the south, the national park's boundaries lie on the Norway–Sweden border next to Kosterhavet National Park. Ytre Hvaler covers an area of 354 km2 (137 sq mi), of which 340 km2 (130 sq mi) is sea and 14 km2 (5 sq mi) is land. [2]

Settlements in the area may have been as old as the Bronze Age. The park is dominated by the coastal culture which has used the area for centuries, resulting in it including boathouses for fishing. Akerøya was settled between 1682 and 1807. There are more than 50 shipwrecks in the park, the most prominent being the Danish frigate HDMS Lossen which was lost during the Christmas Flood of 1717. [3]

Within the park are two lighthouses: Torbjørnskjær and Homlungen, both of which are operated by the Norwegian Coastal Administration. The islands remain in use for grazing.[4] The park includes the Tisler Reef, a cold water coral reef, consisting mostly of Lophelia.[5] The Tisler Reef is the largest known coral reef in sheltered waters in Europe, and is located near the island of Tisler.[4]



  1. ^ Leif Ryvarden. "Ytre Hvaler nasjonalpark". Store norske leksikon. Retrieved December 1, 2016.
  2. ^ "FOR 2009-06-26 nr 883: Forskrift om vern av Ytre Hvaler nasjonalpark, Hvaler og Fredrikstad kommuner, Østfold" (in Norwegian). Lovdata. 2009. Retrieved 22 August 2011.
  3. ^ "Claiming the Past: History, Memory, and Innovation Following the Christmas Flood of 1717". Environmental History. Retrieved December 1, 2016.
  4. ^ a b "Ytre Hvaler nasjonalpark" (in Norwegian). Norwegian Directorate for Nature Management. 22 November 2010. Archived from the original on 22 August 2011. Retrieved 22 August 2011.
  5. ^ A Lophelia coral is depicted in white in the right side of the National Park logo.
  6. ^ Geir Thorsnæs. "Tisler". Store norske leksikon. Retrieved December 1, 2016.
  7. ^ Geir Thorsnæs. "Herføl". Store norske leksikon. Retrieved December 1, 2016.
  8. ^ Geir Thorsnæs. "Akerøya". Store norske leksikon. Retrieved December 1, 2016.

External links

  • Ytre Hvaler National Park website
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