Thong Pha Phum National Park () is a national park in Kanchanaburi province, Thailand. The park, located on the border with Myanmar, is part of the Western Forest Complex protected area.
Thong Pha Phum National Park is located about northwest of Kanchanaburi town and west of Thong Pha Phum, in Sangkhla Buri and Thong Pha Phum districts. The park's area is 772,214 rai ~ and neighboring (from north clockwise) Thung Yai Naresuan Wildlife Sanctuary, Khao Laem National Park, Sai Yok National Park and Tanintharyi Division of Myanmar.<br> High mountains in the Tenasserim Range include: Khao Cha Long, Khao Dang, Khao Lo Lo, Khao Nisa, Khao Pak Pratu, Khao Phu Thong, Khao Pra Nong Tho Khi and Khao Chang Phueak is with the park's highest peak.<br> Streams such as: Huai Chet Mit, Huai Kop, Huai Malai, Huai Ong Phra, Huai Pak Khok, Huai Pi Khi and Huai San flowing into the eastern plains into Vajiralongkorn Dam.
On 23 December 2009, Thong Pha Phum became Thailand's 114th National Park.<br> Since 2002 this national park has been managed by PARO 3 (Ban Pong).
The climate is influenced by southeastern monsoon in rainy season and northeastern monsoon in winter. Summer is from February to April, rainy season runs from May to July and winter lasts from November to January.
There are four types of forest, namely: Dry evergreen forest, Hill evergreen forest, Mixed deciduous forest and Tropical evergreen forest.
The number of sightings in the park are 24 species of mammals, include:
The park has some 149 species of birds from 51 families.
96 species of passerine from 32 families, represented by one species:
53 species of non-passerine from 19 families, represented by one species:
The number of sightings in the park are six species of reptiles, include:
The number of sightings in the park are nine species of fishes, include:
The park has numerous waterfalls and caves. Chok Kradin waterfall descends over a cliff. Another large waterfall is Khao Yai, with three levels. Other park waterfalls include Dip Yai, Bi Teng and Huai Meuang. Khao Noi cave houses Buddha images. Khao Khat viewpoint offers a panoramic view over the park.