42Moore, Sam. "The Carrowkeel Passage Tomb Complex, Co. Sligo People and a Pre-monumental Landscape." Proc. of Association of Young Irish Archaeologists, University College Cork, Cork, Ireland. 6. Web. 11 Nov. 2013. <http://www.academia.edu/1601616/_The_Carrowkeel_Passage_Tomb_Complex_Co._Sligo_people_and_a_pre-monumental_landscape_Association_of_Young_Irish_Archaeologists_Conference_Papers_2003_UCC_Cork_2003>.
A guidebook author says of the cairns, "They seem to nestle into the side of the ridges, like artificial caves, their dark entryways alluring and disturbing, beckoning from beneath rounded piles of stone rubble." (Aviva, Elyn, and Gary C. White. Powerful Places in Ireland. Santa Fe, NM: Pilgrims Process, 2011. 272.)