Castel Bay is a

Canadian Arctic Northern Canada, colloquially the North or the Territories, is the vast northernmost region of Canada variously defined by geography and politics. Politically, the term refers to the three territories of Canada: Yukon, Northwest Territories and N ...

waterway A waterway is any navigable body of water. Broad distinctions are useful to avoid ambiguity, and disambiguation will be of varying importance depending on the nuance of the equivalent word in other languages. A first distinction is necessary b ...

in the

Northwest Territories The Northwest Territories (abbreviated ''NT'' or ''NWT''; french: Territoires du Nord-Ouest, formerly ''North-Western Territory'' and ''North-West Territories'' and namely shortened as ''Northwest Territory'') is a federal territory of Canada. ...

. It is a southern arm of

M'Clure Strait The M'Clure Strait (sometimes rendered McClure Strait) is a strait on the edge of the Canadian Northwest Territories. It forms the northwestern end of the Parry Channel which extends east all the way to Baffin Bay and is thus a possible route for ...

on northeast

Banks Island Banks Island is one of the larger members of the Arctic Archipelago. Situated in the Inuvik Region, and part of the Inuvialuit Settlement Region, of the Northwest Territories, it is separated from Victoria Island to its east by the Prince of ...

. The mouth of the larger

Mercy Bay Mercy 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 Castel Bay is less than to the west. These bays are a part of Aulavik National Park. HMS ''In ...

is less than to the east. These bays are a part of

Aulavik National Park Aulavik National Park ( ); from the Inuvialuktun for "place where people travel") is a National Parks of Canada, national park located on Banks Island in the Northwest Territories of Canada. It is known for its access to the Thomsen River, one of ...

. It is named by

Vilhjalmur Stefansson Vilhjalmur Stefansson (November 3, 1879 – August 26, 1962) was an Arctic explorer and ethnologist. He was born in Manitoba, Canada. Early life Stefansson, born William Stephenson, was born at Arnes, Manitoba, Canada, in 1879. His parents had ...

in honour of

Arctic explorer Arctic exploration is the physical exploration of the Arctic region of the Earth. It refers to the historical period during which mankind has explored the region north of the Arctic Circle. Historical records suggest that humankind have explored ...

Aarnout Castel.Gazetteer of the Northwest Territories

References

Bays of the Northwest Territories Banks Island {{NorthwestTerritories-geo-stub