Dufek Mountain
Dufek Mountain is a large mountain rising to, standing southwest of Mefjell Mountain in the Sør Rondane Mountains. It was mapped by Norwegian cartographers in 1957 from aerial photographs taken by the United States Navy during Operation Highjump, 1946–1947, and was named for Rear Admiral George J. Dufek, who had been commander of the Eastern Group of Operation Highjump.
Dufek Coast, Dufek Head, and Dufek Massif are also named for Dufek.