Mount Madison (80°26′S 160°10′E) is a prominent, largely ice-covered mountain in Antarctica, rising to 1,385 metres (4,540 ft) 7 nautical miles (13 km) west of Cape Selborne, on the south side of Byrd Glacier. It was named by the Advisory Committee on Antarctic Names (US-ACAN) for Lieutenant Commander Douglas W. Madison, aide to the Commander, U.S. Naval Support Force Antarctica, 1961–62, and Public Information Officer, 1963–64.
Map of Mount Madison, Antarctica
Madison Terrace (80°32′S 160°18′E) is a rectangular terrace, 6 nautical miles (11 km) long and 3 nautical miles (6 km) wide, abutting the south part of Mount Madison on Shackleton Coast. Ice draining from Mount Madison covers the terrace, which terminates in a line of icefalls within Couzens Bay. Named by US-ACAN in association with Mount Madison.