Lumus Rock is a rock located 4 nautical miles (7 km) west-northwest of Sooty Rock

Sooty Rock

Sooty Rock is a rock midway between Lumus Rock and Betheder Islands in Wilhelm Archipelago. Discovered and named "Black Reef" by the British Graham Land Expedition , 1934-37. Resighted from HMS Endurance in February 1969 and described as a rock about 20 m high...

, marking the southwest extremity of Wilhelm Archipelago

Wilhelm Archipelago

Wilhelm Archipelago is an island archipelago off the west coast of the Antarctic Peninsula in Antarctica.Wilhelm Archipelago consists of a myriad of islands, the largest of which are Booth Island and Hovgaard Island. The archipelago extends from Bismarck Strait southwest to Lumus Rock, off the...

. Discovered by British Graham Land Expedition

British Graham Land Expedition

A British expedition to Graham Land led by John Lachlan Cope took place between 1920 and 1922. The British Graham Land Expedition was a geophysical and exploration expedition to Graham Land in Antarctica between 1934 to 1937. Under the leadership of John Riddoch Rymill, the expedition spent two...

 (BGLE), 1934–37, and named "Lumus Reef" after one of the BGLE cats, the only one to survive the Antarctic winter. The BGLE naming has been accepted because of long use. A change in generic term, from reef to rock, was made on recommendation by United Kingdom Antarctic Place-Names Committee (UK-APC) in 1971.