Thung salaeng Luang or well known in "Sabbath day na Mead built in Thailand", a national park that includes the nation's three largest. Approx. 1262.40 square kilometers. Thung salaeng Luang area covers. A. Wang, a. gold, Bangkok Thailand Noen maprang (Phitsanulok province), a. Amphur Khao Kho A. Wang Pong (in phetchabun province). The name of the National Park are presumably named after one of the trees that are located in forest area, this property is the salaeng and thung salaeng Luang forest has been established as a National Park, when the October 7 bombings 2502.