Mount Tholus (63°16′S 56°4′W) is the highest mountain, 825 m, in the ridge extending southwest from Postern Gap in the central part of Joinville Island. Surveyed by the Falkland Islands Dependencies Survey (FIDS) in 1953-54 and named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1956. The name is descriptive, "tholus" being a circular, domed structure.
Map of Mount Tholus, Antarctica
This article incorporates public domain material from the United States Geological Survey document "Mount Tholus" (content from the Geographic Names Information System).
References
Mount Tholus Wikipedia(Text) CC BY-SA