The Nadăş River (Hungarian: Nádas) is a tributary of the Dalnic River in Romania. The name in Hungarian means "reedy". The Romanian name derives from that.
References
Administraţia Naţională Apelor Române - Cadastrul Apelor - Bucureşti
Institutul de Meteorologie şi Hidrologie - Rîurile României - Bucureşti 1971