Brichebor Peak (Antarctica) of Mount Slaughter (3444 m). US mapping in 1961, 1988 and 2007. Brichebor Peak (Antarctica) Brichebor Peak ( \'vr&h 'bri-che-bor\) is the peak rising to 2900 m in Vinson Massif, Sentinel Range in Ellsworth Mountains, Antarctica, situated at the end of a side ridge descending southwestwards from Príncipe de Asturias Peak (4680 m). It surmounts Tulaczyk Glacier to the southeast and Cairns Glacier to the northwest. The peak is named after Brichebor Peak in Rila Mountain, Southwestern Bulgaria. Brichebor Peak is located at , which is 8.17 km south of Knutzen Peak (3373 m), 6.35 km southwest of Silverstein Peak
East Antarctica has suggested the name. The name has been in existence for more than 90 years (Balch, 1902; Nordenskjöld, 1904), but its greatest use followed the International Geophysical Year (1957–58) and explorations disclosing that the Transantarctic Mountains, provide a useful regional separation of East Antarctica and West Antarctica. The name was approved in the United States by the Advisory Committee on Antarctic Names (US-ACAN) in 1962. East Antarctica is generally higher than West Antarctica, and is considered the coldest place on Earth. The subglacial Gamburtsev Mountain Range, about the size of the European Alps, in the center of East Antarctica, are