The park is covered by dry evergreen forest, mixed dipterocarp forest, and deciduous dipterocarp forest with tree species like
Pterocarpus macrocarpus,
Shorea siamensis and
Xylia xylocarpa var. kerrii. It is home to numerous wildlife which roams between two countries such as wild hog, deer,
barking deer, rabbit, squirrel,
gibbon and civet. '
Twin Stupas. The Twin Stupas are two red sandstone structures, 1.93 m. square and 4.20 m. high, with lotus-bud-shaped apices.
Don Tuan Khmer Ruins. Built during the 10th -11th Century, the Khmer Ruins near Ban Phume Sarol () are located at , 350 meters onto the Cambodia side of the distinct watershed border ridge, at an elevation of 250 meters above sea level, 30 meters below and 350 meters southwest of the border ridge. The only road access, however, is from Thailand. Legend tells that in the past a lady known as
Nang Nom Yai or
Nieng Non dor (in
Khmer), stopped to rest here on her way to visit a king.
Namtok and Tham Khun Sri. The three-tiered waterfall, above the cave, is situated west of Sra trao close to trail to Phreah Vihear. Khun Sri Cave is of gigantic proportions and was believed to have been the accommodation of Khun Sri, a noble man who controlled rock cutting at Sra Trao at the time of the construction of Preah Vihear Sanctuary.
Namtok Phu La-Ō (). Situated in Phanom Dongrak Wildlife Sanctuary, Tambon Sao Thongchai, the small waterfall turns vibrant during September to February. ==Location==