Roa Ridge () is a bow-shaped

ridge A ridge or a mountain ridge is a geographical feature consisting of a chain of mountains or hills that form a continuous elevated crest for an extended distance. The sides of the ridge slope away from the narrow top on either side. The line ...

, long in the

Asgard Range The Asgard Range is a mountain range in Victoria Land, Antarctica. It divides Wright Valley from Taylor Glacier and Taylor Valley, and was named by the Victoria University of Wellington Antarctic Expedition (1958–59) after Asgard, the home ...

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. I ...

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest co ...

. For much of its extent, it separates

Matterhorn Glacier The Matterhorn Glacier ( German: ''Matterhorngletscher'') is a glacier of the Pennine Alps, located at the base of the north face of the Matterhorn (4478m above the sea), south of Zermatt. It has a maximum width of approximately 2.5 km an ...

and

Lacroix Glacier Lacroix Glacier () is a glacier between Suess Glacier and Matterhorn Glacier, which flows southeast into Taylor Valley in Victoria Land, Antarctica. It was mapped by the British Antarctic Expedition, 1910–13, under Robert Falcon Scott, and n ...

. From northwest to southeast, summits on the ridge include Vogler Peak, Mount Irvine, Hoehn Peak, Webb Peak and

Matterhorn The (, ; it, Cervino, ; french: Cervin, ; rm, Matterhorn) is a mountain of the Alps, straddling the main watershed and border between Switzerland and Italy. It is a large, near-symmetric pyramidal peak in the extended Monte Rosa area of th ...

. Markham Spur extends southwest from the ridge into

. Both features were named by the New Zealand Geographic Board (NZGB) in 1998. ''Roa'' is a Māori word meaning "long". "Markham" refers to Geoffrey W. Markham, Secretary of the New Zealand National Committee for the

International Geophysical Year The International Geophysical Year (IGY; french: Année géophysique internationale) was an international scientific project that lasted from 1 July 1957 to 31 December 1958. It marked the end of a long period during the Cold War when scientific i ...

, 1957–58, and first Superintendent of the Antarctic Division, New Zealand Department of Scientific and Industrial Research, 1959–65.

References

Ridges of Victoria Land Scott Coast {{ScottCoast-geo-stub