Two Step Cliffs () is the eastern face of a flat-topped sedimentary
mountain, rising to about 680 m, immediately east of
Mars Glacier
Mars Glacier is a glacier in the southeastern corner of Alexander Island, Antarctica, long and wide, flowing south into the George VI Ice Shelf. The glacier lies between Two Step Cliffs and Phobos Ridge. Mars Glacier was first sighted from t ...
on the east coast of
Alexander Island,
Antarctica. At the bottom of the cliffs is the
Two Step Moraine
Two Step Moraine () is a small area of homogeneous fine morainic debris, in the south-facing moraines at the foot of Two Step Cliffs, situated in the southern portion of Alexander Island, Antarctica. Containing moist soil and two sub-glacial ponds ...
. First seen from the air by
Lincoln Ellsworth on November 23, 1935, and mapped from photos obtained on that flight by
W.L.G. Joerg Wolfgang Louis Gottfried Joerg, better known as W. L. G. Joerg (February 6, 1885 – January 7, 1952) was an American geographer, and in particular an expert in the geography of the Arctic and Antarctic regions, who exercised broad influence on the ...
. Roughly surveyed from the ground in 1936 by the
British Graham Land Expedition and in 1940-41 by the
United States Antarctic Service, who used the names "Two Step Mountains" and "Table Mountain" for this feature. The name Two Step Cliffs derives from the name used by USAS, and was suggested by
Falkland Islands Dependencies Survey following surveys in 1949 as being particularly descriptive of this feature.
Mountains of Alexander Island
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