Whirlwind Inlet is an ice-filled inlet that recedes inland for 7 nautical miles (13 km) and is 12 nautical miles (22 km) wide at its entrance between Cape Northrop

Cape Northrop

Cape Northrop is a conspicuous, rocky bluff which rises to 1,160 m, forming the north side of the entrance to Whirlwind Inlet, on the east coast of Graham Land. Discovered by Sir Hubert Wilkins on a flight of December 20, 1928, and named for Jack Northrop, designer of the Lockheed airplane used on...

 and Tent Nunatak

Tent Nunatak

Tent Nunatak is a conspicuous pyramidal nunatak marking the south limit of Whirlwind Inlet on the east coast of Graham Land. First seen and photographed from the air by the United States Antarctic Service , in 1940, and described as a "distinctive tentshaped rock nunatak." It was charted by the...

, along the east 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...

. Sir Hubert Wilkins

Hubert Wilkins

Sir Hubert Wilkins MC & Bar was an Australian polar explorer, ornithologist, pilot, soldier, geographer and photographer.-Early life:...

 discovered the inlet on his flight of December 20, 1928. Wilkins reported four large glaciers flowing into the inlet, which he named Whirlwind Glaciers

Whirlwind Glaciers

Whirlwind Glaciers is a four prominent converging glaciers which flow into the west side of Whirlwind Inlet on the east coast of the Antarctic Peninsula. Discovered by Sir Hubert Wilkins on his flight of December 20, 1928, the glaciers were so named because their relative position was suggestive...

 because their relative position was suggestive of the radial cylinders of his Wright Whirlwind

Wright Whirlwind

The Wright R-975 Whirlwind was a series of nine-cylinder air-cooled radial aircraft engines built by the Wright Aeronautical division of Curtiss-Wright. These engines had a displacement of about 975 in³ and power ratings of 300-450 hp...

 engine. The inlet was photographed from the air by the United States Antarctic Service (USAS) in 1940 and charted by the Falkland Islands Dependencies Survey (FIDS) in 1947.