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,
Lake Nemrut fescue ("Festuca ovina"), "Salvia", "Ranunculus", "Silene", rabbitfoot clover ("Trifolium arvense"), "Pimpinella", "Artemisia", squarrose ("Centaurea triumfettii"). Reedy areas are present In the northwestern part of Lake Nemrıt. The griffon vulture brood their eggs at the caldera, which earned its status of special protected area as habitat for breeding of velvet duck and golden eagle. The number of bird species decreased at Lake Nemrut, which is a stopover site for a lot of migrating birds, due to irregular and uncontrolled hunting. Currently observed animals in the region are the bird species partridge, duck, bee-eater, Armenian gull and mammals hare, fox, bear. The