Tuttorqortooq Island Tuttorqortooq Island Tuttorqortooq Island (old spelling: "Tugtorqortôq") is an uninhabited island in the Qaasuitsup municipality in northwestern Greenland. Tuttorqortooq Island is located in Tasiusaq Bay, in the north-central part of Upernavik Archipelago, at the mouth of Kangerlussuaq Icefjord, which separates it from Mernoq Island in the northeast. In the east, the northern tip of Qallunaat Island is separated from Tuttorqortooq by the narrow "Qaqqakassaup Ikerasaa" strait, widening into a bay to the southwest between the two islands. To the west, a small, rocky Horse Head Island buffers the island from the open waters of Baffin Bay. The island is mountainous,
Hudson Strait expedition led by Robert Bylot and William Baffin in 1616. Hudson Strait links the northern seaports of Manitoba and Ontario with the Atlantic Ocean. The Strait could serve as an eastern entrance to the Northwest Passage if it were not for ice in the Fury and Hecla Strait south of western Baffin Island. The International Hydrographic Organization defines the limits of the Hudson Strait as follows: Hudson Strait Hudson Strait links the Atlantic Ocean and Labrador Sea to Hudson Bay in Canada. This strait lies between Baffin Island and Nunavik, with its eastern entrance marked by Cape Chidley in Quebec