The national park is bounded to the north by the Nattai State Conservation Area, the Burragorang State Conservation Area, and Lake Burragorang, inclusive of a 3 kilometers exclusion zone surrounding the lake; to the east by the Bargo State Conservation Area and the now partly disused Picton – Mittagong loop railway line; to the south by the Wombeyan Caves Road; to the southwest by the Kanangra-Boyd National Park; and to the west by the Yerranderie State Conservation Area.