Castle Peak is a prominent ice-covered peak

Pyramidal peak

A pyramidal peak, or sometimes in its most extreme form called a glacial horn, is a mountaintop that has been modified by the action of ice during glaciation and frost weathering...

, 2380 metre high, standing immediately south of Murphy Glacier

Murphy Glacier

Murphy Glacier is a glacier on Pernik Peninsula, Loubet Coast in Graham Land, flowing generally westward to Orford Cliff and merging with Wilkinson Glacier before terminating in Lallemand Fjord. Mapped from air photos taken by Falkland Islands and Dependencies Aerial Survey Expedition . Named for...

 and close off the west side of Avery Plateau

Avery Plateau

Avery Plateau is an ice-covered plateau, about long and rising to about , midway between Loubet Coast and Foyn Coast in Graham Land. The first sighting of this plateau is not ascertained, but it was presumably seen in January and February of 1909 by members of the French Antarctic Expedition...

 in 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...

. It is shaped like a truncated cone with a rounded summit and rises more than 610 metres (2,001.3 ft) above the surrounding ice. It was first surveyed in 1946 by the Falkland Islands Dependencies Survey, and so named by them because of its resemblance to a ruined medieval castle

Castle

A castle is a type of fortified structure built in Europe and the Middle East during the Middle Ages by European nobility. Scholars debate the scope of the word castle, but usually consider it to be the private fortified residence of a lord or noble...

.