Khao Yai National Park Located in the area of 4 provinces, 11 districts. Muak Lek district Kaeng Khoi district,Saraburi.Pak Phli district Ban Na district Mueang Nakhon Nayok district, Nakhon Nayok. Na Di district Kabin Buri district Prachantakham district Mueang Prachinburi district,Prachinburi. and Pak Chong district Wang Nam Khiao district,Nakhon Ratchasima. Is the first national park in Thailand Has been declared a National Park on 18 September 2505 and has been referred to as. "ASEAN Heritage Park," park. With an area covering 2168 square kilometers, consisting of dry evergreen forest, moist evergreen forest, grassland and forest species or wild tropical rainforest features a spa on the altitude of 400-1000 meters above sea level, there are 3,000 species of plants. There are 250 bird species and 67 mammal species, including elephants, tigers, gibbons, deer and wild boar found in the wide meadow general.