|Rural District||Howmeh-ye Sarpol|
|Time zone||IRST (UTC+3:30)|
|• Summer (DST)||IRDT (UTC+4:30)|
Rikhak-e Sofla (Persian: ريخك سفلي, also Romanized as Rīkhak-e Soflá; also known as Haft Sahmī) is a village in Howmeh-ye Sarpol Rural District, in the Central District of Sarpol-e Zahab County, Kermanshah Province, Iran. At the 2006 census, its population was 92, in 23 families.
- Rikhak-e Sofla can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3797802" in the "Unique Feature Id" form, and clicking on "Search Database".
- "Census of the Islamic Republic of Iran, 1385 (2006)" (Excel). Islamic Republic of Iran. Archived from the original on 2011-11-11.
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