The cut rock source is Ban Kruat District, Buriram Province. It is characterized by hills and wide fields covering an area of ​​more than 4,600 rai, adjacent to the Thai-Cambodian border. Along the walkway you will find small and large sandstone rocks arranged interspersed. It is a source of sandstone that people in the Khmer period cut stone from here to build castles in the southern Isan region, including Phanom Rung Castle. and Prasat Muang Tam Located in the area of ​​Khao Kloi and Khao Krachiao. The stones here are approximately 800-1,100 years old. In addition, it is also a meditation center at Suan Thammasila Temple. The place has been taken care of and improved to make it clean and beautiful. And there is a walkway from the rock cut source to the viewpoint on the mountain top..