The Pole of Inaccessibility research station (Russian: ) is a defunct Soviet research station in Kemp Land, Antarctica, at the southern pole of inaccessibility (the point in Antarctica furthest from any ocean) as defined in 1958 when the station was established. Later definitions give other locations, all relatively near this point. It performed meteorological observations from 14 to 26 December 1958. The Pole of Inaccessibility has the world's coldest year-round average temperature of 58.2 C (72.8 F).It is 878 km (546 mi) from the South Pole, and approximately 600 km (370 mi) from Sovetskaya. The surface elevation is 3,724 meters (12,218 feet). It was reached on 14 December 1958 by an 18-man traversing party of the 3rd Soviet Antarctic Expedition. Its WMO ID is 89550.

Henry John R Cookson, FRGS (born 16 September 1975) is a British polar explorer and adventurer. On 19 January 2007 he, alongside fellow Britons Rory Sweet and Rupert Longsdon, and their Canadian polar guide Paul Landry, became the first team to reach the southern pole of Inaccessibility (POI) by foot, the last visitors being a research team using tracked vehicles & planes in 1965.