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) The direction of pressure coming from the Arabian plate is gradually turning from South-North to the West-East, with a linear shift of 7.8–9 mm per year. Fumarolic activity and the presence of many hot springs are observed at the bottom of the caldera. The volcano has an elliptical shape and covers 486 km. Its center contains 377.5 km of volcanic material, mainly 0.23–1.18 million years old lava. Nemrut has a distinct caldera with an area of 46.7 km and a volume of 32.9 km; the maximum height of the edge of the caldera is above sea level (Sivritepe, on the