The national park spans two provinces: Khon Kaen and Nong Bua Lam Phu. The entrance fees to the national park are as follows: For Thai citizens, adults pay 20 baht and children pay 10 baht. For foreign visitors, adults pay 100 baht and children pay 50 baht. A renowned attraction within the park is "Heavens Watchtower," a viewpoint located in the Phu Kao mountain range. From this vantage point, visitors can gaze upon the scenic landscapes of Nong Bua Lam Phu province and the lush greenery of the national park, stretching all the way to the Ubon Rattana Dam reservoir. This area features a large rock formation perched on a 30-meter-high cliff, accessible by a staircase leading up to a pavilion. Locals affectionately refer to this scenic viewpoint on the rock as “Heavens Watchtower.”