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
20936 Nemrut Dagi has a rather spheroidal shape. The results supersede previous observations made by Warner and by Brian A. Skiff, which gave similar results (). According to the surveys carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, the asteroid has an exceptionally high albedo of 0.46 and a diameter of 3.6 kilometers, while the "Collaborative Asteroid Lightcurve Link" assumed a standard albedo for stony asteroids of 0.20, and correspondingly, calculates a much larger diameter of 5.3 kilometers based on an absolute magnitude of 13.8. This minor planet was named after the a dormant volcano Nemrut (Nemrut Dağı)