This national park is located on the precipitous escarpment on the east of the undulating Northern Tablelands plateau, the wilderness consists of impressive cliffs, rugged ridges, spurs and streams. The park lies within the Eastern Australian temperate forests ecoregion. It is noted for the wide variety of plant and animal species. The diverse vegetation in the park includes sub-tropical, warm temperate and cool temperate rainforest in the higher altitudes. There are also areas of sclerophyll forest, sub-alpine woodland, heathland and swampland.