Pinnacle Gap () is a gap between Pain and
Tobin Mesas in the
Mesa Range
The Mesa Range () is a range of flat-topped mesas comprising the Sheehan, Pain, Tobin and Gair Mesas, situated at the head of the Rennick Glacier in Victoria Land, Antarctica. it was given this descriptive name by the northern party of the New ...
of
Victoria Land
Victoria Land is a region in eastern Antarctica which fronts the western side of the Ross Sea and the Ross Ice Shelf, extending southward from about 70°30'S to 78°00'S, and westward from the Ross Sea to the edge of the Antarctic Plateau. It ...
. The feature was traversed and so named by the northern party of
New Zealand Geological Survey Antarctic Expedition The New Zealand Geological Survey Antarctic Expedition (NZGSAE) describes a series of scientific explorations of the continent Antarctica. The expeditions were notably active throughout the 1950s and 1960s.
Features named by the expeditions 1957 ...
(NZGSAE), 1962–63, because it is readily identified by the high rock pinnacle (
Mount Ballou
Mount Ballou () is a pinnacle-type mountain (2,900 m) which forms the south end of Pain Mesa and the north side of the entrance to Pinnacle Gap in the Mesa Range, Victoria Land, Antarctica. The mountain was first mapped by the United States G ...
) on the north ridge overlooking the gap.
Mountain passes of Victoria Land
Pennell Coast
{{VictoriaLand-geo-stub