The Dong Phayayen-Khao Yai Forest Complex is inside a lovely rocky mountainous neighborhood, length is about 230km among Ta Phraya National Park on the Cambodian boundary in the east and Khao Yai National Park in the west of Thailand. This location is dwelling for above 800 genuses of fauna counting 112 species of animal, 392 species of birds and 200 species of reptiles & amphibian.
This place is globally a significant preservation of those species of mammals, birds and reptiles which are in danger and dying out now internationally. Among those 19 species are defenseless, 4 species are dying out and one is seriously endangered which are documented as being of exceptional worldwide value. It also contains considerable and significant tropical woodland ecosystems of torrential rain forest bio-geographic region in the north-east Thailand which can supply a feasible home for the long-term endurance of these endangered species including the elephant, tiger, leopard cat and banteng. In adding to the occupant species of this compound plays an imperative role to preserve the migratory species including the endangered Spot-billed Pelican and seriously dying out superior Adjutant. You can enjoy the Mekong River, Mun River and its tributaries, drained the northern part this spot. Beside this there are many panoramic waterfalls and gorges beautified the Dong Phayayen-Khao Yai Forest, including 4 main swift streams which flow into the Prachinburi River.