A ria is a coastal inlet formed by the partial submergence of an unglaciated river valley. It is a drowned river valley that remains open to the sea.
Port Jackson, also referred to as Sydney Harbour, is a ria, or drowned river valley. The deeply indented shape of the ria reflects the dendritic pattern of drainage that existed before the rise in sea level that flooded the valley.
Ria of San Vicente de la Barquera in Cantabria, Spain
Ria of Rijeka Dubrovačka in Dubrovnik, Croatia
Ria of Bay of Kotor in Kotor, Montenegro
Port Jackson, commonly known as Sydney Harbour, is a natural harbour on the east coast of Australia, around which the city of Sydney is situated. It consists of the waters of Sydney Harbour, Middle Ha
Ria
…Guinea's Oro Province. Australia: The east coast of Australia features several rias around Sydney, including Georges River, Port Hacking, Broken Bay, and Port Jackson, which includes Sydney Harbour. Further away from Sydney, Port Stephens and the Clyde River estuary are also rias. There are many examples in Western…
Sydney Cove, Port Jackson in the County of Cumberland – from a drawing made by Francis Fowkes in 1788
This 1830 painting shows the Mellish entering the harbour. Ships importing resources from India played a vital role in establishing Sydney.
Clipper ships in Darling Harbour in 1900