The park consists of long complex mountains and forests which also includes scenic steep valleys, rugged mountains, rocky terrain and waterfalls. It occupies 123,779 rai ~ 198 square kilometres (76 sq mi).[2]
Forest
The park contains mixed deciduous, dipterocarp, hill evergreen and dry evergreen forests.[2][4] It is divided into the following forest parks:
Kaeng Chet Khwae Forest Park
Khwae Noi National Reserved Forest in Wat Bot district.
Suan Miang National Reserved Forest in Chat Trakan district.
Khao Krayang National Reserved Forest in Nakhon Thai and Wang Thong districts.
^"ส่วนอุทยานแห่งชาติ, 10 อุทยาน" [National parks section, 10 parks]. Office of Conservation Area 11 (Phitsanulok) (in Thai). 2021. Retrieved 10 July 2021.