Phu Kradung is a sandstone mountain with a vast plateau on top, surrounded by smaller hills. The highest peak is 1,316m above sea level. It is the watershed for the Pong River, which feeds the reservoir of Ubonrat Dam and Nong Wai Dam in Khon Kaen Province. The plateau of Phu Kradung is composed of pine forest and grassland, which have a variety of flowers, creeks, waterfalls and rocky fields. These features make in the park most pleasant.