This article incorporates public domain material from "Separation Range". Geographic Names Information System. United States Geological Survey. 
Separation Range (84°5′S 174°0′E / 84.083°S 174.000°E) is the Commonwealth Range branches at about 8420S and forms two chains of mountains separated by Hood Glacier. The Separation Range, about 30 nautical miles (60 km) long, is the eastern branch and terminates to the north at Ross Ice Shelf. Named by the New Zealand Alpine Club Antarctic Expedition, 1959–60.