Lazarev Mountains is a chain of mountains along the west side of Matusevich Glacier southward of Eld Peak, about 40 km (25 mi) long. Photographed from the air by Operation Highjump (1946-47), the Soviet Antarctic Expedition (1957-58) and ANARE (Australian National Antarctic Research Expeditions) (1959). Named by the Soviet expedition after Lieutenant M.P. Lazarev, commander of the sloop Mirnyy of the Bellingshausen expedition (1819-21).