Outback Nunataks (72°30′S160°30′E) is a series of bare rock nunataks and mountains which are distributed over an area about 40 miles (60 km) long by 20 miles (32 km) wide. The group lies south of Emlen Peaks of the Usarp Mountains and west of Monument Nunataks and upper Rennick Glacier, adjacent to the featureless interior plateau. They were discovered by the U.S. Victoria Land Traverse party, 1959–60, and mapped by United States Geological Survey (USGS) from surveys and U.S.