 The anti aircraft gun stations and dummy anti aircraft gun station have state significance as the only known inland heavy anti-aircraft gun stations, and dummy gun station complexes of their type in inland NSW.The place is important in demonstrating the principal characteristics of a class of cultural or natural places/environments in New South Wales.One of a series of World War II anti aircraft defence sites developed in NSW from Newcastle to Port Kembla and of a limited number constructed inland from 1941.