Kati Thanda -- Lake Eyre Composite Landsat 7 satellite image using shortwave infrared , near - infrared , and blue wavelengths A map of the Lake Eyre basin , with the lake at bottom left Location Northern South Australia Coordinates 28 ° 22 ′ S 137 ° 22 ′ E ﻿ / ﻿ 28.367 ° S 137.367 ° E ﻿ / - 28.367 ; 137.367 Coordinates : 28 ° 22 ′ S 137 ° 22 ′ E ﻿ / ﻿ 28.367 ° S 137.367 ° E ﻿ / - 28.367 ; 137.367 Lake type Endorheic Primary inflows Warburton River Primary outflows evaporation Basin countries Australia Surface area 9,500 km ( 3,668 sq mi ) ( max ) Average depth 1.5 m ( 5 ft ) ( every 3 years ) , 4 m ( 13 ft ) ( every decade ) Surface elevation − 9 m ( − 30 ft ) ( shoreline when full ) ; − 15 m ( − 49 ft ) ( lowest point when empty )

Question: where does the water come from to fill lake eyre
Answer: Warburton River