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) caldera is unique for the Armenian Highland. It is the only place in the region where deciduous trees grow at high altitudes, owing to the high temperature and humidity and the protection from winds by the caldera walls. The caldera also hosts a few flowers and trees unique to the region. Velvet scoters ("Melanitta deglandi") and two species of gull live and breed on the shores of Lake Nemrut. Since ancient times the bottom of the caldera is used for grazing by the nearby villages. Nemrut is considered one of the most spectacular volcanoes in the region. Its caldera can