The Gullet is a narrow channel between the east extremity of Adelaide Island

Adelaide Island

Adelaide Island or Isla Adelaida or Isla Belgrano is a large, mainly ice-covered island, long and wide, lying at the north side of Marguerite Bay off the west coast of the Antarctic Peninsula. The island lies within the Argentine, British and Chilean Antarctic claims, at .Adelaide Island was...

 and the west coast of Graham Land

Graham Land

Graham Land is that portion of the Antarctic Peninsula which lies north of a line joining Cape Jeremy and Cape Agassiz. This description of Graham Land is consistent with the 1964 agreement between the British Antarctic Place-names Committee and the US Advisory Committee on Antarctic Names, in...

, separating Hansen and Day Islands and connecting the heads of Hanusse Bay

Hanusse Bay

Hanusse Bay is a broad bay, 20 miles long in a general north-south direction, lying between the northern portions of Adelaide Island and Arrowsmith Peninsula. Liard Island lies in its northern portion. It was discovered and first charted by the French Antarctic Expedition, 1908-10, under Charcot,...

 and Laubeuf Fjord

Laubeuf Fjord

Laubeuf Fjord is a sound in Antarctica, 25 miles long in a north-south direction and averaging 10 miles wide, lying between the east-central portion of Adelaide Island and the southern part of Arrowsmith Peninsula, Graham Land. It connects Hanusse Bay to the north with Marguerite Bay to the south...

. This area was first explored in 1909 by the French Antarctic Expedition

French Antarctic Expedition

French Antarctic Expedition refers to several French expeditions in Antarctica.-First expedition:Yves-Joseph de Kerguelen-Trémarec was a French explorer....

 under Charcot who, though uncertain of the existence of the channel, sketched its probable position on the charts of the expedition. The channel was first visited and roughly surveyed in 1936 by the British Graham Land Expedition

British Graham Land Expedition

A British expedition to Graham Land led by John Lachlan Cope took place between 1920 and 1922. The British Graham Land Expedition was a geophysical and exploration expedition to Graham Land in Antarctica between 1934 to 1937. Under the leadership of John Riddoch Rymill, the expedition spent two...

 (BGLE) under Rymill. It was resurveyed and given this descriptive name in 1948 by members of the Falkland Islands Dependencies Survey (FIDS).