Khao yai National Park is a mountainous area,reaching its highest point at the summit of Khao Lom,1351 m.asl. Other significant peaks in the park are Khao Lame (1326 m.asl.),Khao Kiew (1292),Khao Sam (1142),Khao Pha Pa(1078). In the north and the east of the park is a mountain range which slopes down towards the south. Another lies in the west of the park and,together,they capture such quantities of water to supply 5 important waterways leaving Khao Yai.