It lies to the south of the Sikorsky Glacier, which flows northwest from the Detroit Plateau into Hughes Bay.

An ice-covered buttress rising to 1,850 metres (6,070 ft) high on the west side of Detroit Plateau.

This name, appearing on early maps in this approximate location, has sometimes been misapplied to the cape at the north side of Hughes Bay.

An ice dome rising to 2,228 metres (7,310 ft)[11] in the west part of the Detroit Plateau.

Photographed by the Falkland Islands and Dependencies Aerial Survey Expedition (FIDASE) in 1956-57, and mapped from these photos by the FIDS.

Named by the UK Antarctic Place-Names Committee (UK-APC) in 1960 for Igor Sikorsky, American (Russian born) aircraft designer, who has pioneered helicopters since 1909.

An extensive inlet that opens in front of the southeast end of the shore, southwest of Cierva Point.

Drains the northwest slopes of Razhana Buttress, flows westwards and enters Brialmont Cove north of the terminus of Mouillard Glacier.

Glacier flowing into the southeast corner of Brialmont Cove, on the west coast of Graham Land.

Charted in 1898 by the Belgian Antarctic Expedition (BelgAE) under Adrien de Gerlache, who named it for Lieutenant-General Henri Alexis Brialmont, a member of the Belgica Commission.

An island 1 nautical mile (1.9 km; 1.2 mi) northwest of Spring Point in Hughes Bay.

Named by UK-APC after the British sealer Sprightly, Captain Hughes, which visited this vicinity in 1824-25.