Question: The first major bay north of Sydney Harbour, encompassing Lion Island, is called what?
Sentence (from "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.
Relevant evidence: No