Thung Salaeng Luang National Park is a national park located in the Phitsanulok and Phetchabun Provinces of Thailand. There is a lot to see and admire in the park. The park has limestone hills that are at an altitude of 300 meters to 1,028 meters. These hills make the park a source for a number of streams which run through meadows, particularly in the southern part of the park. You can see the park covered with deciduous forest which mingles with tropical broad leaf evergreen forest and lowland scrub.