The Canning River is a major tributary of the Swan River in south western Western Australia.Source and routeWith headwaters on the Darling Scarp, the Canning meanders through suburbs of Perth on the Swan Coastal Plain, including Cannington, Thornlie, Riverton, Shelley, Rossmoyne and Mount Pleasant, before joining the Swan at Melville Water just downstream of the Canning Bridge.Bridges Canning Bridge Mount Henry Bridge Shelley Bridge Riverton BridgePoints Coffee Point Deepwater Point Salter Point Prisoner Point Wadjup Point