Garlyk Cave is part of Köýtendag Nature Reserve. It was established for the protection of unique caves and other objects of the inanimate nature (marble onyx), protection of rare and endemic species of plants, preservation of juniper groves.
The caves are typical representation of various karst forms. There have been found around 60 caves with total length of 50 km, with galleries, passages, halls, labyrinths.
The caves are rich in wandering formations of plaster, calcite, aragonite in the form of stalactites, stalagmites, stone curtains etc. A lot of caves have not been explored yet.