Old Sydney
Russian Ballet picnic Moombara Port Hacking taken for JC Williamson Ltd, 1937Russian Ballet picnic Moombara Port Hacking taken for JC Williamson Ltd1937

From Wikipedia

Port Hacking Estuary, an open youthful tide dominated, drowned valley estuary, is located in southern Sydney, New South Wales, Australia approximately 30 kilometres (19 mi) south of Sydney central business district.

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Shortened from “Port Hacking” by Wikipedia's contributors, CC BY-SA 4.0.

1900s1 photo

Port Hacking River, c. 1900c. 1900

1910s2 photos

Warrunbul Port Hacking, 1900–271900–27Swallow Rock Port Hacking River, 1900–271900–27

1930s2 photos

Russian Ballet picnic Moombara Port Hacking taken for JC Williamson Ltd, 19371937Artist Daryl Lindsay with Ballets russes dancers Betty Souvorova and Alosha, 31 January 1937, Moombara, Sydney - photographer Margaret Allen, later Baroness Gifford1937

5 historic photos of Port Hacking, taken between 1900 and 1937. They span 3 decades, with the most from the 1910s (2). They come from Wikimedia Commons; each photo’s page gives its credit, its licence and a link to its original record.