10Westropp, Thomas J. "The Ancient Sanctuaries of Knockainey and Clogher, County Limerick, and Their Goddesses." Proceedings of the Royal Irish Academy. Section C: Archaeology, Celtic Studies, History, Linguistics, Literature 34 (1917-1919): 61.
The author's measurements for the ruined cairn are: "48 to 55 feet across [14.6 to 16.8 m], and 11 feet [3.4 m] high to the west, 6 feet [1.8 m] to the south, and 8 to 9 feet [2.4 to 2.7 m] elsewhere."