Warriewood is on Sydney's northern beaches, between Mona Vale and North Narrabeen, in the Pittwater local government area.This was once a 'wet' part of the coast. Lagoons and swamps were typical of the northern beaches and east coast of New South Wales. Narrabeen Creek flows through the middle of Warriewood, and Mullet Creek marks its southern boundary. Early nineteenth-century maps mark most of the land between the south-east corner of Pittwater across to Mona Vale Beach and south, including

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... rriewood Valley, as swamp. The local Guringai Aboriginal people would have found these swamps rich in food supplies – fish, birds, plants and naturally fresh water.