Ilisu State Reserve was established on the area of 93 km² in 1987. It aims to protect natural complexes of southern slopes of Major Caucasus, to preserve rare and endangered flora and fauna, to restore forests and prevent erosion of soil and flood. The reserve accounts for 500 plant species with nearly 60 species of endemic ones. One can come across such animals as roe deer, mountain buffalo, wild boar, squirrel, chamois, etc. [1]
The territory of Ilisu State Reserve was expanded up to 173.816 km² in March 2003.