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
Nemrut (volcano) a diameter of 10–100 m formed outside of the main cone, mainly in its northern part. They include Girigantepe (2433 m), Arizintepe (2445 m), Kayalitepe (2311 m), Mezarliktepe (2409 m), Atlitepe (2281 m), Amis (2166 m), Kevriağa (2087 m), Avuştepe and Sivritepe, which is the highest point of Nemrut. Basaltic lava of these craters are the youngest volcanic rocks within Nemrut. The last eruption took place on 13 April 1692. Since then only bursts of steam were observed at the bottom of the caldera, indicating fumarolic activity. Besides the legendary relationship of the volcano with King Nimrod, in 1990s scientists