The Kilgowan Long Stone
[...] The residents in the district regard this stone with awe and believe it to mark the grave of a “great man who lived long ago.” One old resident stated that the stone goes to the local stream to drink at night.
From ‘The Antiquities of the Dunlavin-Donard District (Counties of Wicklow and Kildare)’ by Patrick T. Walshe, in The Journal of the Royal Society of Antiquaries of Ireland, 7th series, Vol. 1, No. 2 (Dec. 31, 1931).