Stephenson Bastion is a

mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited Summit (topography), summit area, and ...

massif with steep rock cliffs on its south side, rising to 1,850 m in the south-central part of Shackleton Range. It was first mapped in 1957 by the

Commonwealth Trans-Antarctic Expedition The Commonwealth Trans-Antarctic Expedition (CTAE) of 1955–1958 was a Commonwealth-sponsored expedition that successfully completed the first overland crossing of Antarctica, via the South Pole. It was the first expedition to reach the South ...

, and it was photographed by U.S. Navy aircraft in 1967. It was named by the

United Kingdom Antarctic Place-Names Committee The UK Antarctic Place-Names Committee (or UK-APC) is a United Kingdom government committee, part of the Foreign and Commonwealth Office, responsible for recommending names of geographical locations within the British Antarctic Territory (BAT) and ...

(UK-APC) for Philip J. Stephenson, an Australian geologist with the transpolar party of the CTAE in 1956–58. On its east side, a prominent rock bluff was given the name Ram Bow Bluff because of the feature's resemblance to the ram bow of an old battleship.

References

Mountains of Coats Land {{CoatsLand-geo-stub