Castel Bay

{{Short description|Bay in the Northwest Territories, Canada}}

{{Use Canadian English|date=September 2024}}

{{Use dmy dates|date=September 2024}}

{{Infobox body of water

|name= Castel Bay

|image=

|caption =

|location= M'Clure Strait

|coords= {{coord|74|12|02|N|119|35|11|W|region:CA-NT_type:waterbody_scale:500000|notes={{Cite cgndb|LAEPU |Castel Bay|date=3 September 2024}}|display=inline,title|name=Castel Bay}}

|rivers=

|oceans= Arctic Ocean

|countries= Canada

|length=

|pushpin_map=Canada Northwest Territories

|width=

|area=

|cities= Uninhabited

|references=

}}

Castel Bay is a Canadian Arctic waterway in the Northwest Territories. It is a southern arm of M'Clure Strait on northeast Banks Island. The mouth of the larger Mercy Bay is less than {{cvt|20|km}} to the east.These bays are a part of Aulavik National Park.

It is named by Vilhjalmur Stefansson in honour of Arctic explorer Aarnout Castel.{{cite book|last=Stefansson|first=Vilhjalmur |title=The friendly Arctic; the story of five years in Polar regions|publisher=Macmillan Co.|location=New York|date=1921|pages=[https://archive.org/details/in.ernet.dli.2015.87397/page/n185 139], 140|oclc=255330|url=https://archive.org/details/in.ernet.dli.2015.87397|quote=castel bay.}}[http://www.pwnhc.ca/programs/downloads/gazetteer1.pdf Gazetteer of the Northwest Territories] {{webarchive |url=https://web.archive.org/web/20130927005107/http://www.pwnhc.ca/programs/downloads/gazetteer1.pdf |date=September 27, 2013 }}