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,
Nemrut (volcano) Nemrut are mentioned in Armenian sources of the 15th century and Kurdish sources of the 16th century. These records allowed to confirm the activity of the volcano during the Holocene and to establish the dates of some eruptions. A more recent eruption is mentioned in Turkish records: The Armenian name of the volcano (: angry) might also reflect the regular activity of the volcano in the historical period. The first systematic studies of the volcano began in the mid-19th century, when, taking advantage of the British influence in the region, it was visited by several European explorers. They described and