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The Swan River is the river around which the city of Perth, Western Australia, is built.
The Swan River ends at the sea, at the port for Perth, Western Australia.
Whilst Western Australia's capital city, Perth, is built on the Swan River, the Gascoyne River is the longestriver in Western Australia.
There is no river that runs all the way through Western Australia. Some of the rivers in Western Australia include:
Two smaller rivers include Fortescue River and Margaret River.
Colonies do not land. Colonies grow. The Swan River colony grew along the banks of the Swan River, on the southwestern coast of Australia.