is a conspicuous, isolated stratovolcano
, lying at the head of McMurdo Sound
and east of Koettlitz Glacier
, overlooking the NW portion of the Ross Ice Shelf
. It forms the center of a three-armed mass of which Brown Peninsula
is one extension to the north; Minna Bluff is a second to the east; the third is Mount Morning
to the west.
Discovered by the British National Antarctic Expedition (1901-04) and named for their expedition ship Discovery.