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
Cason Crane the suicides of Tyler Clementi and one of Crane's friends, he was inspired to raise awareness about suicide among LGBT youth through mountain climbing. This led him to start the Rainbow Summits Project, with the goal of climbing the Seven Summits—the highest mountains of each continent—in order to raise funds and awareness for the Trevor Project. By the beginning of 2013, a year after starting the Rainbow Summits Project, Crane had successfully climbed five of the Seven Summits: Mount Kilimanjaro in Tanzania, Mount Elbrus in Russia, Cerro Aconcagua in Argentina, Carstensz Pyramid in Indonesia and Vinson Massif in Antarctica. In