Thung salaeng Luang or known as "Savannah of Thailand." The park is a large number of countries 3 area, about 1 262.40 square kilometers. Thung salaeng Luang covers an area, the district: Amphur, a.Noen maprang (Phitsanulok) Khao Kho Wang Pong (Phetchabun).In the name of the national parks are assumed) named after the bass are located in areas of forest is ต้นแสลงใจ. Thung salaeng Luang and the forest has been established as a national park on 7 October 2005. 2502.