Castle Island (Greenland)
{{Short description|Island in far northern Greenland}}
{{Infobox islands
| name = Castle Island
| native_name = Castle Ø
| native_name_link = Danish language
| image_name =
| image_caption =
| image_size =
| image_map = {{Infobox mapframe|id=Q24840629|zoom=8|stroke-colour=#3e614c|stroke-width=1}}
| image_map_alt =
| image_map_size = 270px
| image_map_caption = Map of Castle Island
| pushpin_map = Greenland
| pushpin_label = Castle Island
| pushpin_label_position =
| pushpin_map_alt =
| pushpin_relief =
| pushpin_map_caption = Location of Castle Island in Greenland
| nickname =
| location = Lincoln Sea
| coordinates = {{coord|82|11|N|52|53|W|type:isle|display=inline,title}}
| archipelago =
| total_islands =
| major_islands =
| length_km = 11
| width_km = 4.5
| area_km2 = 47.6
| highest_mount =
| elevation_m = 660
| country = Greenland
| population = 0
| population_as_of =
| density_km2 =
| ethnic_groups =
}}
Castle Island ({{langx|da|Castle Ø}}) is an island in far northern Greenland.{{cite web|url=https://mapcarta.com/19193952|title=Castle Ø|work=Mapcarta|accessdate=29 May 2019}} Administratively it is part of the Northeast Greenland National Park.
Geography
Castle Island is located in Saint Andrew Bay, east of Hendrik Island, in the mouth area of Sherard Osborn Fjord. It is separated from Hendrik Island by a {{convert|5|km|0|abbr=off}} wide sound.
The northernmost headland of the island is Cape Cleveland and the southernmost Cape Gray.[https://eng.gst.dk/media/2919245/181111_dgl_vestgronland_eng_skr_51_52-2018.pdf Greenland Pilot - Danish Geodata Agency]
The island is unglaciated with two lakes between two mountain ridges.Sven Hedin Firn, Army Map Service, United States Army Corps of Engineers, Greenland 1:250,000 The peak in its eastern end reaches {{convert|660|m|0|abbr=off}}. The sea around the island is rarely free from ice.Prostar Sailing Directions 2005 Greenland and Iceland Enroute, p. 94
| valign="top"
|Image:Operational Navigation Chart A-5, 3rd edition.jpg area.]] |
