Painted rocks may be considered the oldest manifestation of art in human society. The history of this art is estimated to be more than 30 thousand years. This art has also a long history in Iran. This article introduces one of these rock art sites i.e. Ghalat Niloo which is located in Kazeroon County, south-east of Ghalat Niloo village. The purpose of this study is to identify and determine the location, the function of concepts, the history, classification and relationship of these designs with similar samples available from other areas. These designs have been engraved on the walls of the caves and include subjects such as hunting, human on horseback with a bow in hand, animal images mostly goats and in one case a dog. They probably date back to the 1 st Millennium BC.
