[2][3] To the east lies Lazarev Bay, a rectangular bay that separates the east side of Rothschild Island from the north-west coast of Alexander Island.
The mountains were seen (in part) from a distance by F. Bellingshausen in 1821, and by Jean-Baptiste Charcot in 1909, but the nature of the feature remained obscure.
The Desko mountain range was photographed from the air by U.S. Navy Operation Highjump and the Ronne Antarctic Research Expedition in 1947.
The mountain range was further mapped by air by D. Searle of the Falkland Islands Dependencies Survey in 1960.
[1] This article incorporates public domain material from "Desko Mountains".