The 332,500ha Vireakchey National Park spreads over three districts, in Stung Trèng and Rattanak Kiri provinces. In Rattanak Kiri, this national park lies in Tavèng and Veurn Sai districts, whereas in Stung Trèng, it lies in a part of Siem Pang District. It borders Laos to the north, Vietnam to the east, Sésan River to the south, and Sékong River to the west. It is located 45 km north of the Banlung town.
This park is fabulously rich in bio-diversity, such as plants and wildlife including elephants, tigers, wild buffalos, wild oxen, and many species of small animals.