Today the HawkesburyRiver valley is home to those wanting to escape a busy, urban life, as well as legions of tourists.
BBC: A wild river valley outside of Sydney
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On Dangar Island, located near the mouth of the river where the Hawkesbury meets the Tasman Sea, there are no cars.
BBC: A wild river valley outside of Sydney
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The authorities decided that the lush banks further up the Hawkesbury would be perfect for farming, and thus the river became known as "the granary of the colony".