 It consists of and is located immediately east of the town of Napperby, about south of the Telowie Gorge Conservation Park and about north-east of the city of Port Pirie.It is classified as an IUCN Category VI protected area.Land associated with the Park at Mambray Creek and Alligator Gorge first obtained protected area status in 1952 as 'national pleasure resorts' declared under the then "National Pleasure Resorts Act 1914".