The park's area is 364,173 rai ~ 582 square kilometres (225 sq mi).

[2] The park features numerous cave systems including Tham Phra Chedi, notable for hosting a pagoda-shaped stalagmite, and Tham Nampha Pha Ngam, a large cave also featuring stalagmites and stalactites.

Tree species include Burmese ebony, Lagerstroemia calyculata, Dalbergia oliveri, Afzelia xylocarpa, Takian, Anisoptera costata, Shorea obtusa, Shorea siamensis, Dipterocarpus obtusifolius, Tenasserim pine, and Khasi pine.

[1][2] Animals in the park include tiger, gaur, Asiatic black bear, sambar deer, barking deer, wild boar, Siamese hare and civet.

[1] Bird life includes Asian barred owlet and coucal.