|Rural District||Zahray-ye Pain|
|Time zone||IRST (UTC+3:30)|
|• Summer (DST)||IRDT (UTC+4:30)|
Kolah Darreh (Persian: كله دره, also Romanized as Kaleh Darreh, Kolā Darreh, and Kulah Darreh) is a village in Zahray-ye Pain Rural District, in the Central District of Buin Zahra County, Qazvin Province, Iran. At the 2006 census, its population was 962, in 233 families.
- Kolah Darreh can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3071770" in the "Unique Feature Id" form, and clicking on "Search Database".
- "Census of the Islamic Republic of Iran, 1385 (2006)". Islamic Republic of Iran. Archived from the original (Excel) on 2011-11-11.
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