is an immense tract of forest still in perfect condition. With pineries, grasslands and virgin jungles, it is habitat to large number of animals and more than 100 species of birds. During December- January, the mercury can drop to as low as 2-5 degrees Celsius. The park headquarters is about 50 kilometres to the west of Lom Sak district on Highway No. 12. Points of interest are spread out. Attractions reached by taking Highway No. 12 (Lom Sak Chum Phae) include:-
- Tham Pha Hong
- Rai B.N.