More than 80% of Khao Yai National Park remains covered in evergreen or semi-evergreen forest, with moist and dry evergreen forests occurring in all the Protected Areas of the complex. Overall, the property represents a complex mosaic of all vegetation and habitat types remaining in northeast Thailand, surrounded by almost completely converted landscapes, human pressures are significant and diverse including roads, incursions, tourism, and poaching. In some areas along the boundary, significant incursion and agricultural conversion have occurred and the lack of a clear external buffer zone results in competing land uses, bordering directly onto the property boundary.