Geographically, it is similar to a turtle’s back with an undulating surface. It is a limestone mountain range stretching as a long line. The highest point is at Khao Khae which is the source of many rivers such as Huai Khek Yai and Khlong Wang Thong. The rainy season is from July to October, while winter is from November to February. During winter, it will be very cold and suitable for traveling. Important plants include Pinus merkusii, Mangifera spp., Burma Padauk and a grass field covering a large plain of pine trees and flowers.
Interesting attractions within the national park are as follows:
Hanging Bridge is 3 kilometres from the Office of the National Park. On both sides and along the path is forest. It is very shady and suitable for relaxation.
Kaeng Wang Nam Yen:
Kaeng Wang Nam Yen is 7 kilometres from the National Park Office at Nong Mae Na, the similar route to Thung Non Son. Along its way, the forest is continuously changing from a grass field into deciduous dipterocarp forest, mixed with pine forest and mixed deciduous forest. Within the moist evergreen forest by the brook flowing from a waterfall, there is a variety of big trees with many strange kinds of undergrowth such as various types of ferns and caladiums.
Tung Salaeng Luang:
Tung Salaeng Luang is 25 kilometres from the National Park Office at Nong Mae Na. It is a large open savanna grass field, covering an area of 16 square kilometres. Along the route cutting through a mixed deciduous forest, visitors will discover wildlife searching for food and various kinds of flowers. Moreover, there are savanna grass fields mixed with the forests of the Pinus merkusii; namely, Thungya Mueang Len and Thung Non Son.
Tung Nang Phaya:
Tung Nang Phaya is 15 kilometres to the south of the Office of the National Park at Nong Mae Na. It is a savanna grass field, surrounded by mountain pine forest and hill evergreen forest. On the branches of the pine trees appear wild plants difficult to be seen such as Dendobrium senile and Dendrobium Trigonopus – kinds of orchids.
Thung Non Son:
Thung Non Son is a savanna grass field mixed with mountain pine forest, located in the middle of the National Park at the summit of Khao Khok Son. It is similar to Thung Salaeng Luang and Thung Nang Phaya. From the end of the rainy season to the beginning of winter various kinds of flowers bloom here. This field is appropriate for trekking and is 31 kilometres from the Office of the National Park at Nong Mae Na. A nature study trip can be done within the 4 kilometres around the area.
Admission: Adult 400 baht, child 200 baht
The park provides accommodation for tourists at the Office at Km. 80, comprising 8 bungalows, costing 1,000 – 3,000 Baht. Moreover, tents for rent are also provided, costing 150-300 Baht for 3-5 persons. In the case visitors bring their own tents, a camping site is also provided for 30 Baht/ person / night. Furthermore, within the area of Nong Mae Na Office, on the way to the Khao Kho Palace, Khao Kho District, there are 8 bungalows, costing 2,000 – 5,000 Baht and rental tents for 3-5 persons, costing 150-300 Baht.