The Călmățui is a left tributary of the river Danube in Romania. It discharges into the Danube near Suhaia.Calmatui (jud. Teleorman), e-calauza.ro It flows through the villages Stoicănești, Radomirești, Călinești, Crângeni, Călmățuiu, Salcia, Putineiu, Dracea, Crângu, Lisa and Viișoara. Its length is and its basin size is .

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