Pha Hin Tung Forest Park located in Moo 3, Huay Dua Village, Pha Bong Sub-district, Muang District, Mae Hong Sorn province, situated in eastern Pah Mae Pai National Reserved Forest. Referring to the ministerial regulation, issue 1,233 (1991), covered the area of 3,500 rais approximately. The Royal Forest Department declared this forest park on January 13, 1997

Topography
Generally, it’s mountainous area with hilly plain by the Pai River bank. Its summit is about 630 metres above average sea level. Stone type is limestone, mountain soil, and friable soiled and rouge soiled plain. Based on the resolution from the cabinet meeting held on February 21, 1995, this area was stipulated to be the 1A and 3 of border river basin quality zone. In addition, the result of the cabinet meeting held on March 17, 1993 also classified this area as the conserving forest of the segregation zone of natural resources and forestry land in the national park

Flora and Fauna
It is very abundant forest because it is situated on high and complex mountains where is saved from encroachments. Forest types found are as follows:

1. The Mixed Deciduous Forest has been mostly found here. It is a clear forest consists of various big and average trees. Somewhere consists of various bamboo species scattered grown. They have been found around foothill and mountain ridge. Tree species found are teak, Pterocarpus macrocarpus, SOMPONG, KWAO, Leguminosae Genus, Dalbergia dongniensis, and so on. Bamboo species found are Bambusa sp., and Dendrocalamus strictus.
2. It is the clear forest where is consisting of big, average and small trees mixed-grown. There are grasses grown on the ground. Soil type is sandy soil mixed with dirt soil. Flora found consists of Dipterocarpus turbinatus, Shorea siamensis, Dipterocarpus obtusifolius, Cratoxylum sp., and so on.
3. Hill Evergreen Forest: it’s found along the valleys and streams. It is crowded forest where is consisting of annual plants, vines, rattans, orchids, and various bamboo species as well as ferns trail around. Flora found such as Lithocarpus annamensis, black plum, Ficus sp., and queen’s flower.