The park covers parts of Khong Jiam, Sri Mueang Mai and Pho Sai districts in Ubon Ratchathani province. The 340 square kilometers park houses variety of interesting scenes. The Mekhong river which serves as a long natural border between the park and Loas, provides some excellent views.
The area containing considerable historical and natural value became the 74th national park on 31 December 1991.
The general topography of the park are undulating plains and highlands, and is part of the Phannom Dongrak mountain range. Rock pillars and rock formations are characteristics park. Sandstone is the most common rock type found. The Mekhong river is the ends of the many streams of the park.
The park has a monsoon climate with three seasons: rainy season (June to October), cool season (October to February) and the dry and hot season (February to June).
The park is covered by Dipterocarp forest with Shorea obtusa, Shorea siamensis, Dipterocarpus obtusifollus and some beautiful flowers. There are also some dry evergreen forests near the streams.
Some wildlife that may still exist are Siamese hare, barking deer, civet, and palm civet. Wild pig and serow move in from Laos in summer season.