They were named by the United States Advisory Committee on Antarctic Names (US-ACAN) for Ernest M. Svaton, United States Antarctic Research Program (USARP) ionospheric physicist at McMurdo Station, winter 1963 and 1964.

A line of steep cliffs, interrupted by several glaciers, which form the northern escarpment of the Queen Elizabeth Range.

The escarpment borders the southern side of the Nimrod Glacier which is very heavily crevassed.

Named by US-ACAN for Walther F. Hofmann, USARP glaciologist on the Ross Ice Shelf, 1962-63.

Peak, 3,145 metres (10,318 ft) high, standing 4 nautical miles (7.4 km; 4.6 mi) north-northwest of Mount Lysaght.