Graben Horn (German: Grabenhorn, 71°48′S 12°2′E / 71.800°S 12.033°E / -71.800; 12.033) is a prominent horn or cone-shaped peak, 2,815 metres (9,240 ft) high, rising at the east side of Humboldt Graben in Antarctica. The peak is situated in the central part of the Pieck Range in the Petermann Ranges of Queen Maud Land. It was discovered by the Third German Antarctic Expedition under Ritscher, 1938–39, who named it in association with Humboldt Graben. "Graben", of German origin, is a term applied to a rift valley or a fault trough.^[1]

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 This article incorporates public domain material from "Graben Horn". Geographic Names Information System. United States Geological Survey.