Trigon Bluff (72°29′S 169°9′E) is a steep, triangular bluff 10 nautical miles (18 km) west of Football Mountain, rising to 1,245 m on the north side of Tucker Glacier. Named by the New Zealand Geological Survey Antarctic Expedition (NZGSAE), 1957–58, which placed a triangulation station on its summit. The name is descriptive.
This article incorporates public domain material from the United States Geological Survey document "Trigon Bluff" (content from the Geographic Names Information System).
References
Trigon Bluff Wikipedia(Text) CC BY-SA