 The park consists of land near the banks of the Lane Cove River, which flows generally south-east into Sydney Harbour.It also extends to the outskirts of and at its northern boundaries.The park includes areas of land which are part of Ku-ring-gai, Ryde, and Hornsby local government areas with small areas of the park in Willoughby, Lane Cove and Hunter's Hill local government areas on the banks of the lower reaches of the river.