 The Nattai National Park is the most southern of the eight protected areas within the World Heritage Site.The national park forms part of the Great Dividing Range.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 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.