Noorderhaaks

{{Short description|Island in the Netherlands}}

{{Infobox islands

| name = Noorderhaaks

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| image_name = Noorderhaaks 03.JPG

| image_size = 250px

| image_caption = Noorderhaaks seen from the mainland

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| coordinates = {{coord|52|58|30|N|4|40|50|E|display=inline,title}}

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| archipelago = (West) Frisian Islands

| waterbody = North Sea

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| country = Netherlands

| country_admin_divisions_title = Province

| country_admin_divisions = North Holland

| country_admin_divisions_title_1 = Municipality

| country_admin_divisions_1 = Texel

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| population = Uninhabited

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Noorderhaaks ({{IPA|nl|ˌnoːrdərˈɦaːks}}), also called Razende Bol (Raging sandbank in Dutch; in modern Dutch Bol means sphere, but in this context the old Dutch meaning of sandbank is meant{{in lang|nl}} "[https://gtb.ivdnt.org/iWDB/search?actie=article&wdb=WNT&id=M009947&lemmodern=bol&domein=0&conc=true Woordenboek der Nederlandsche Taal]", 1893.), is an uninhabited Dutch islet{{in lang|nl}} "[http://www.nd.nl/artikelen/2003/augustus/07/zandplaat-de-razende-bol-voortaan-eiland Zandplaat De Razende Bol voortaan eiland]", Nederlands Dagblad, 2003. in the North Sea, a few kilometres west of the Marsdiep which separates the island of Texel from the mainland of the Netherlands. The island covers an area of around 5 km², although the exact area varies due to tide and the dynamic nature of the area.

Being relatively untouched by man, the island has become a valuable location due to its presence of several kinds of seabirds, and seals.

The island is slowly moving eastward towards the Marsdiep and the Molengat, at a pace of around 100 metres a year. Noorderhaaks is probably the sixth sand bar to develop in the mouth of the Marsdiep, since it formed in the late twelfth century via a flood that occurred in 1170. The previous five have also moved towards Texel and got accreted to the island, with intervals of approximately 150 years each.{{in lang|nl}} Vos, A.D. (2012); [https://cultureelerfgoed.nl/sites/default/files/publications/vos_2012_nar_41_onderwaterarcheologie_op_de_rede_van_texel_2.pdf Onderwaterarcheologie op de Rede van Texel] {{Webarchive|url=https://web.archive.org/web/20150208161333/http://www.cultureelerfgoed.nl/sites/default/files/publications/vos_2012_nar_41_onderwaterarcheologie_op_de_rede_van_texel_2.pdf |date=2015-02-08 }}, Nederlandse Archeologische Rapporten 041 (Rijksdienst voor het Cultureel Erfgoed, Amersfoort), p. 37-47.

The island is visited by day trippers, and is also being used as a training ground for the Royal Dutch Navy and Air Force.

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File:Den Helder 4.77628E 52.95026N.jpg|Satellite photo, taken circa 1992

File:Ecomare - gestrande bultrug op Razende Bol (bultrug2012-razende-bol-412-sw).jpg|Stranded humpback whale (2012)

File:Noorderhaaks Time-lapse.gif|Time-lapse (1984-2017)