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 Nemrut the site can also be found on the tumulus at the site, which is and in diameter. It is possible that the tumulus was built to protect a tomb from tomb-robbers since any excavation would quickly fill with loose rock. The statues appear to have Greek-style facial features, but Armenian clothing and hair-styling. The western terrace contains a large slab with a lion, showing an arrangement of stars and the planets Jupiter, Mercury and Mars. The composition was taken to be a chart of the sky on 7 July 62 BC. This may be an indication of when construction began