
Lassus Mountains
(Alexander Island)
British Antarctic Territory
Location: 69° 33' 49" S 71° 31' 11" W
rising to c. 2100m in NW Alexander Island and including from N to S Vittoria Buttress, Mount Wilbye, Beagle Peak and Mount Morley, were sighted by the Russian Antarctic Expedition in January 1821 but probably confused with Havre Mountains (q.v.) (Russian Gap, q.v.);seen from the E on a flight by the British Graham Land Expedition, 1 February 1937, but subsequently confused with Havre Mountains (which had been identified from the N on an earlier flight) and included under that name; photographed from the air by the Ronne Antarctic Research Expedition in 1947 and mapped from air photographs by the Falkland Islands Dependencies Survey in 1959; in association with the names of composers in this area, named Lassus Mountains after Orlandus Lassus (c. 1532-94), Belgian composer.