Lake Nemrut chamois has been extinct. The caldera was registered a natural monument in 2003. The protected area around the crater lake covers . Nemrut Caldera Natural Monument () is protected in the status of a tourist attraction, a protected area of first degree and a wetland. The government of Turkey designated the wetland of the caldera as the 14th Ramsar site of the country on April 17, 2013. It is not permitted to cut reed in the caldera and to fish in the lake, although some livestock grazing takes place around the caldera. A winter sports and ski center was established
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