Seven Third Summits Sumantri () and Ngga Pulu (). The definition of "continent" is a matter of some dispute 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 () and Dykh-Tau (), are the two highest mountains in Europe. Excluding the Caucasus Mountains, Mont Blanc () and Monte Rosa () would be Europe's two highest mountains. 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
Mount Yamantau Mount Yamantau Mount Yamantau (, ) is a mountain in the Ural Mountains, located in Beloretsky District, Bashkortostan, Russia. Standing at 1,640 metres (5,381 ft) it is the highest mountain in the Southern Ural section, and is featured within the South Ural Nature Reserve. Mount Yamantau is notable as the subject of claims by the United States that a secret extensive bunker complex of the Russian government or Russian Armed Forces is contained within the mountain, equivalent to the Cheyenne Mountain Complex. The name of the mountain is derived from "Yaman Tau" (Яман тау), which translates to "evil mountain", "bad