A small group of nunataks located at the southwest extremity of the Sweeney Mountains.

Mapped by USGS from ground surveys and United States Navy air photos, 1961-67.

Discovered by the RARE, 1947 48, under Ronne, who named this summit for Commander Edward C. Sweeney, United States Navy Reserve, a contributor to the expedition.

Jenkins, hospital corpsman at South Pole Station, winter party 1963.

Peak standing 6 nautical miles (11 km; 6.9 mi) east of Mount Jenkins in the Sweeney Mountains, Ellsworth Land.

Mapped by USGS from ground surveys and United States Navy air photos, 1961-67.

Named by US-ACAN for Cornelius J. Hagerty, photographer with the McMurdo Station winter party in 1960.

[10] This article incorporates public domain material from websites or documents of the United States Geological Survey.