Cairn Ridge

Cairn Ridge (

82°35′S 52°50′W / 82.583°S 52.833°W / -82.583; -52.833Coordinates: 82°35′S 52°50′W / 82.583°S 52.833°W / -82.583; -52.833) is a rock ridge adjoining the north side of Dufek Massif, 2 nautical miles (4 km) northeast of Hannah Peak, in the Pensacola Mountains. It was mapped by the United States Geological Survey from surveys and from U.S. Navy air photos, 1956–66. A cairn was erected on this ridge during a visit in December 1957 by the US-IGY traverse party from Ellsworth Station.^[1]

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 This article incorporates public domain material from the United States Geological Survey document: "Cairn Ridge". (content from the Geographic Names Information System)