The park located in Ubon Ratchatani province, covers Amphur Khong Jiam, Sri Muang Mai and Pho Sai. The 340km2 park is a wide variety of interesting scenery and activities. The fascinating aspect is the Mekhong river which serves as a long natural border between the park and Loas providing some excellent views. The area has a considerable historical and natural value and was requested to become a national park on the 31st December 1991 as the 74th national park of Thailand.

Climate
The park has a monsoonal climate with three distinct season; The rain (June-September), the cold (October-February) and the dry season (March-May). The park can be visited all year but be prepared for the chilly nights in the cold season and the occasional heavy thunderstorms in the rain season.

Flora and Fauna
The park covers by Dipterocarp forest with Shorea obtusa, Shorea siamensis, Dipterocarpus obtusifollus are dominant species and some beautiful flowers. Beyond, there are some dry evergreen forests near streams.
It is also wildlife habitats for example Siamese hare, barking deer, civet, palm civet. And we can see wild pig and serow, which moved from Laos in summer