Mount Twomey

Mount Twomey () is a somewhat detached peak (over 1,200 in.) situated on the northwest margin of the

Morozumi Range The Morozumi Range () is a mountain range in the Usarp Mountains of North Victoria Land, Antarctica. It extends northwest–southeast for , with its northern elevations overlooking the convergence of Gressitt Glacier and Rennick Glacier. Early e ...

, 2.5 nautical miles (4.6 km) northwest of

Berg Peak Berg Peak is a prominent peak, high, standing south of El Pulgar in the northern Morozumi Range, Victoria Land, Antarctica. It was mapped by the United States Geological Survey from surveys and from U.S. Navy air photos, 1960–63, and named b ...

. Mapped by

United States Geological Survey The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, ...

(USGS) from surveys and

U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage of ...

air photos, 1960–63. Named by

Advisory Committee on Antarctic Names The Advisory Committee on Antarctic Names (ACAN or US-ACAN) is an advisory committee of the United States Board on Geographic Names responsible for recommending commemorative names for features in Antarctica. History The committee was established ...

(US-ACAN) for Arthur A. Twomey,

United States Antarctic Research Program The United States Antarctic Program (or USAP; formerly known as the United States Antarctic Research Program or USARP and the United States Antarctic Service or USAS) is an organization of the United States government which has presence in the A ...

(USARP) geologist at

McMurdo Station McMurdo Station is a United States Antarctic research station on the south tip of Ross Island, which is in the New Zealand-claimed Ross Dependency on the shore of McMurdo Sound in Antarctica. It is operated by the United States through the Unit ...

, 1967–68 and 1968–69. Mountains of Victoria Land Pennell Coast {{VictoriaLand-geo-stub