The Nam Nao National Park 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 could 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, 300 meters off the main road at Km.39 to the north. Within the caves are formations of stalactites and stalagmites. It is also a point from which to view the scenery at sunset.
Ban Paek Pinery, 5 kilometres by foot off the main road at Km.49.
Phu Kum Khao Pinery, 15 kilometres off the main road at Km.53. Dense rolls of pine trees cover an area of about 10 square kilometres.
Namtok Heo Sai and Namtok Sai Thong are located on the same route. Both waterfalls can be reached on foot for a distance of 1 kilometre and 1.5 kilometres respectively off the main road at Km. 67.There are also attractions on Highway No. 2216 (Lom Kao - Huai Sanam Sai) such as Pha Lom - Pha Kong cliffs which are 5 kilometres from the main road at Km. 40 and the Tham Yai Nam Nao cave near Km. 60.