The first major bay north of Sydney Harbour, encompassing Lion Island, is called what?
Broken Bay Broken Bay, a semi–mature tide-dominated drowned valley estuary, is a large inlet of the Tasman Sea located about 50 km north of Sydney central business district on the coast of New South Wales, Australia; being one of the bodies of water that separate greater Metropolitan Sydney from the Central Coast. Broken Bay is the first major bay north of Sydney Harbour.
Lane Cove River The Lane Cove River, a northern tributary of the Parramatta River, is a tide-dominated, drowned valley estuary west of Sydney Harbour, located in Sydney, New South Wales, Australia. The river is a tributary of the Parramatta River, winding through a bushland valley. It joins Parramatta River at Greenwich and Woolwich, where together they form an arm of Sydney Harbour.