Darreh Yas (Persian: دره ياس, also Romanized as Darreh Yās; also known as Rūd Vār and Rūdwār)[1] is a village in Mashayekh Rural District, Naghan District, Kiar County, Chaharmahal and Bakhtiari Province, Iran.

At the 2006 census, its population was 329, in 76 families.

[2] This Kiar County location article is a stub.

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