Ebony Ridge is a coastal ridge 5 nautical miles (9 km) long between Airdrop Peak

Airdrop Peak

Airdrop Peak is a twin-peaked mountain high at the north end of Commonwealth Range, Antarctica. It is the first prominent feature in Ebony Ridge when approached from the northwest. When New Zealand surveyors were making observations from the higher of the two peaks on December 11, 1959, an R4D...

 and Mount Robert Scott

Mount Robert Scott

Mount Robert Scott is a small, flat, snow-covered mountain that rises over 1,000 m and is situated immediately south of Ebony Ridge in the Commonwealth Range. It was discovered by the British Antarctic Expedition under Ernest Shackleton, who named this feature for Captain Robert F. Scott, RN...

 at the north end of the Commonwealth Range

Commonwealth Range

The Commonwealth Range is a north-south trending range of rugged mountains, 100 km long, located on the continent of Antarctica. The range borders the eastern side of Beardmore Glacier from the Ross Ice Shelf to Keltie Glacier...

. It consists of dark metamorphosed greywacke contrasting sharply with the predominate brown ochre of the weathered surface of the granitic intrusions forming nearby Mounts Kyffin and Harcourt. Descriptively named by the New Zealand Alpine Club Antarctic Expedition, 1959-60.