Lake Nemrut the world. Nemrut Caldera is world's second largest one. The western half of the crater is covered by the lake. AT the summit, there are five lakes, two of them existing permanently and the others seasonal. The biggest of the lakes is Lake Nemrut in the form of crescent. It contains freshwater of colorless, odorless and drink water quality. Lake Nemrut is situated at an elevation of about above main sea level. It has an area of , and its average depth is about with a maximum depth of . Nemrut Caldera is on the youngest volcanic cone in Turkey,
Mount Meru (Tanzania) Mount Meru (Tanzania) Mount Meru is a dormant stratovolcano located west of Mount Kilimanjaro in the country of Tanzania. At a height of , it is visible from Mount Kilimanjaro on a clear day, and is the fifth-highest mountain in Africa, dependent on definition. Mount Meru is located just north of the city of Arusha, in the Arusha Region of Tanzania. It is the second-highest mountain in Tanzania, after Mount Kilimanjaro. The Momella route – which starts at Momella gate, on the eastern side of the mountain – is used to climb Mount Meru. Much of its bulk was lost