Nemrut (volcano) the region. The collision of these plates began in the Middle Eocene and closed the stretch of water, which in the Mesozoic formed the Tethys Ocean. Nemrut, along with three other extinct volcanoes of eastern Turkey: Ararat, Tendürek and Süphan, is located in the area of a complex fault, which runs along the boundary of the Arabian and Eurasian plates in the territory of the Armenian Highland. It is the westernmost of these volcanoes, the only one that remains active, and generally the only volcano in Anatolia, which erupted in the historical period. Nemrut is located 10 km north of
Mount Batu Mount Batu Mount Batu is one of the highest of the Bale Mountains of Ethiopia, as well as of the Oromia Region. Part of the Bale National Park, and located at , it reaches an elevation of 4,307 meters. It consists of two peaks, Tinnish Batu ("Little Batu"), which is actually higher than Tilliq Batu ("Big Batu") to the south. The reason for these deceptive names is explained by Paul Henze, who reports that upon viewing them, "it appeared that the peak behind Tinnish Batu was definitely higher." The first European to climb Mount Batu was the Finnish professor Helmer