Seven Second Summits Guinea's Carstensz Pyramid, which is part of Indonesia (4,884 m). Following the Bass list, Mount Townsend is the second-highest summit (2,209 m) in Australia. According to the Messner list, Puncak Mandala (4,760 m) on New Guinea is the second highest of the Australian continent. Heights of mountain peaks in West Papua are poorly established, and Puncak Trikora has been listed as the second-highest summit on the island, but SRTM data do support a higher elevation for Mandala. Both lists count Mount Elbrus as the highest peak in Europe. This makes Dykh-Tau (5,205 m), located in Russia, the second-highest summit in
Highest unclimbed mountain Siple Island off the coast of Antarctica, have no record of successful ascents, but the unclimbed status of each of these peaks is difficult to confirm. The following peaks, with a minimum prominence of , were thought to be unclimbed as of August 2018. Highest unclimbed mountain An unclimbed mountain is a mountain peak that has yet to be climbed to the top. Determining which unclimbed peak is highest is often a matter of controversy. In some parts of the world, surveying and mapping are still unreliable, and there are no comprehensive records of the routes of explorers, mountaineers and