Seven Second Summits among mountaineers seeking to complete this challenge. The main ridge of the Greater Caucasus range is generally considered to form the boundary between Europe and Asia. In that case, Mount Elbrus, () situated some 10 km north of the continental divide, is the highest mountain in Europe. Excluding the Caucasus Mountains, Mont Blanc () would be Europe's highest mountain. The Australian continent is defined as comprising the mainland of Australia and proximate islands on the same continental shelf, including Tasmania and New Guinea. In the convention of the seven continents, one of the continents is the region of Australasia, which
Mount Giluwe the vast alpine plateau, creeping "Astelia", cushion plants and mosses can be found near the numerous tarns, along with alpine blueberries ("Vaccinium") and asters in rockier areas. Mount Giluwe Mount Giluwe is the second highest mountain in Papua New Guinea at (Mount Wilhelm being the highest). It is located in the Southern Highlands province and is an old shield volcano with vast alpine grasslands. Ancient volcanic plugs form its two summits, with the central peak the highest and an east peak about away at . Giluwe has the distinction of being the highest volcano on the Australian continent and Oceania,