The Hawkesbury River is the longest coastal river in New South Wales. A vital source of water and food, it has a long Aboriginal history and was critical for the survival of the early British colony at Sydney. The Hawkesbury's weathered shores, cliffs, and fertile plains have inspired generations of artists. It is surrounded by an unparalleled mosaic of national parks, including the second-oldest national park in Australia, Ku-ring-gai National Park...