Overview
Which river has the largest drainage basin in Oceania?. The river with the largest drainage basin in Oceania is Murray–Darling–Culgoa–Balonne–Condamine which receives inflows from a basin area of 1,061,000 square kilometers in Australia and flows out primarily to the Southern Ocean. At second and third, are Warburton–Georgina with a drainage basin of 365,000 km2 and outflows to Lake Eyre, and Flinders River that receives inflows from a basin area of 109,000 km2.
The drainage basins of the major rivers in Oceania span from 84,700 km2 to 1,061,000 km2, with the average basin size being 340,923.4 km2.( A drainage area is any area of land where precipitation collects and drains off into a common outlet, such as into a river, bay, or other body of water. )
More..
Here are Oceania's largest rivers by drainage areas.
Murray–Darling–Culgoa–Balonne–Condamine.
Murray–Darling–Culgoa–Balonne–Condamine is the longest river in Oceania at 3,672 kilometers (2,282 miles).
Murray–Darling–Culgoa–Balonne–Condamine is a river that stretches 3,672 kilometers (or 2,282 miles) in length, draining from a 1,061,000 km2 basin in Australia.
Its average discharge rate is 767 m3/3 and the river flows out into Southern Ocean.
Compare Murray–Darling–Culgoa–Balonne–Condamine with Lachlan River from Oceania.
Murrumbidgee River is the 2nd longest river in Oceania at 1,485 kilometers (923 miles).
Murrumbidgee River is a 1,485-km long (923 miles) river that drains from a 84,917-km2 wide basin in Australia.
Its average discharge rate is 120 m3/3 and the river flows out into Murray River.
Compare Murrumbidgee River with Warburton–Georgina from Oceania.
Lachlan River is a river that is 1,338 kilometers (or 831 miles) long and drains from a 84,700 km2 drainage basin in Australia.
The average volume of water flow is 49 m3/3 and the river flows out into Murrumbidgee River.
Cooper–Barcoo is the 3rd longest river in Oceania at 1,420 kilometers (882 miles).
Cooper–Barcoo is a 1,420-km long (882 miles) river in Australia.
More on the longest and largest river systems in the world:
World: Longest | Largest by Discharge Volume | Largest by Drainage Area
By Country: Australia | Brazil | Canada | China | France | Russia | UK | USA
Europe: Longest | Largest by Discharge Volume | Largest by Drainage Area
Asia: Longest | Largest by Discharge Volume | Largest by Drainage Area
Africa: Longest | Largest by Discharge Volume | Largest by Drainage Area
Oceania: Longest | Largest by Discharge Volume | Largest by Drainage Area
North America: Longest | Largest by Discharge Volume | Largest by Drainage Area
South America: Longest | Largest by Discharge Volume | Largest by Drainage Area
Outflows: Amazon River | Atlantic Ocean | Black Sea | Mississippi River | Pacific Ocean