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 in Hvaler and Fredrikstad in Østfold, Norway. It is mostly a marine park, covering the outer parts of the skerries of the Oslofjord's east shore. To the south, the national park's border lies 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. The park was established on 26 June 2009 and is the only marine national park in the country.[1]

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 frigate Lossen. Within the park are two lighthouses: Torbjørnskjær and Homlungen, both which are operated by the Norwegian Coastal Administration. The islands remain in use for grazing.[2]

The park includes the Tisler Reef, a cold water coral reef, mostly of Lophelia.[3] The Tisler Reef is the largest known coral reef in sheltered waters in Europe, and is located near the island of Tisler.[2]


  1. ^ "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. 
  2. ^ 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. 
  3. ^ A Lophelia coral is depicted in white in the right side of the National Park logo.

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