Fertile forest larger than three hundred thousand acres of forest, covering an area of lomkao district. Amphoe LOM SAK, Amphoe Khao Kho of phetchabun province. In the past this area was a major stronghold of the communist terrorists, which the Government of Thailand in the reign of the military crackdown and access are the fighting protracted for several years until 1976 Government so it can be fastened to all areas. At present, there are therefore various Memorial yesterday to commemorate the soldiers who sacrifice and let us remind people with Patriotic Unity Thailand. It is also famous for natural beauty.