Australian Botanic Garden Mount Annan
The Australian Botanic Garden Mount Annan is a 416-hectare (1,030-acre) botanical garden located in a hilly area of the South Western Sydney suburb of Mount Annan, between Campbelltown and Camden, New South Wales. It is the largest botanical garden in Australia, specializing in native plants, with a collection of over 4000 species.
Source: Wikipedia — Australian Botanic Garden Mount Annan (CC BY-SA 4.0)