[5] Tat Mok National Park is about 37 kilometres (20 mi) east of Phetchabun in Mueang District.

[6] The park's area covers 181,250 rai ~ 290 square kilometres (110 sq mi).

The park's streams and waterfalls provide the main source for the Pa Sak and Chi Rivers.

[8] In mid-1991 a survey was set up, a beautiful waterfall was found suitable for renovation into a tourist attraction.

[2] Since 2002 this national park has been managed by Protected Areas Regional Office 11 (Phitsanulok) The park features forest types, including mixed deciduous, deciduous dipterocarp, dry evergreen and hill evergreen forest.