Major Australian Waterways: Murray-Darling, Cooper Creek, Fitzroy, Ord, Swan, and Yarra Rivers

• Murray–Darling Basin – 1M+ km²; Murray, Darling, and tributaries; irrigation, transport, water supply.
• Cooper Creek – Ephemeral, flows through Simpson Desert; iconic red dunes.
• Fitzroy River – WA's Kimberley; waterfalls, barramundi fishing.
• Ord River – NT/WA border; Lake Argyle, irrigation scheme.
• Swan River – Perth metro; recreation, estuary.
• Yarra River – Melbourne metro; iconic urban waterway.

These systems sustain agriculture, cities, ecosystems, and tourism.