The Warrego River is a river, generally dry, located at the south-west of the Queensland and the North-West of the News-Wales-of-South in Australia. It has a basin of: 69290 kilometer-squares.

Its name is of origin aboriginal and means the " river of sable".

Length of approximately 900 kilometers, it takes its source in the " National Carnarvon Park " , close to the town of Tambo, with 800 meters of altitude. It runs initially a short moment towards the west before turning towards the south and going to join the Darling downstream from the town of Bourke.

Its principal affluents are the Nirve, the Langlo and the Ward.

It crosses the towns of Augathella, Charleville, Wyandra and Cunnamulla.

Its flow is very variable, generally dry and not making it possible to irrigate the grounds in the neighborhoods, it can have important risings as in April 1990 when important water falls (400 millimetres in two weeks for an area which do not receive 400 millimetres normally per annum!!) on the east of the area the towns of Augathella and Charleville devastated.