They stand west of Blaiklock Glacier and 2 nautical miles (3.7 km) north of Mount Homard in the west part of Shackleton Range.
They were first mapped in 1957 by the Commonwealth Trans-Antarctic Expedition and given this descriptive name - trey being a term for three used in dice or cards.
This article incorporates public domain material from "Trey Peaks".
United States Geological Survey.
This Coats Land location article is a stub.