- Source: Sar Choluskan-e Sofla
Sar Choluskan-e Sofla (Persian: سرچلوسكان سفلي, also Romanized as Sar Cholūskān-e Soflá) is a village in Zardalan Rural District, Helilan District, Chardavol County, Ilam Province, Iran. At the 2006 census, its population was 34, in 7 families. The village is populated by Kurds.