Câlnău may refer to several rivers in Romania:
*
Câlnău (Dâmbovița), a tributary of the Dâmbovița
*
Câlnău (Buzău), a tributary of the Buzău
See also
*
Câlnic (disambiguation) Câlnic or Calnic may refer to several places in Romania:
* Câlnic, Alba, a commune in Alba County
* Câlnic, Gorj, a commune in Gorj County
* Câlnic, a district in the city of Reșița, Caraș-Severin County
* Calnic, a village in Valea Crișul ...
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