 The most prominent features of the park are the sandstone pagoda landscapes and cliffs and canyons.Limestone outcrops, karsts and elevated swamps are other unusual features.The park is bounded on the west by the Castlereagh Highway; to the north by the Glen Davis Road; to the east by the Wollemi National Park; and to the south by the Newnes State Forest, the Wolgan Valley, and the Wolgan State Forest.