The Budieru is a river in Arad County, western Romania. Formerly a left tributary of the river Crișul Alb, it presently flows into the Canalul Morilor, which discharges into the Crișul Alb.Planul de management al riscului la inundații - Administrația Bazinală de Apă Crișuri, p. 15 The river is mostly channelized and is integrated into the drainage system of the area. Its length is and its basin size is .
Hydronymy The Hungarian name of the river (Büdos Ér) means "lazy brook". The Romanian name derives from that.
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