This is a bullaun stone, a type of early medieval monument found across Ireland in which a rounded basin has been worked into the rock, most often associated with ecclesiastical sites. The bowl here is modest but precisely formed, measuring roughly 27 centimetres across and 10 centimetres deep, sitting at the centre of an oblong stone that stands just 25 centimetres above the ground.

What makes this particular example quietly interesting is that it almost certainly does not belong where it now sits. The stone is believed to have been removed from Knockatemple church, a nearby early ecclesiastical site, sometime in the late nineteenth century. Such relocations were not unusual in rural Ireland during that period, when old carved stones were occasionally taken to serve new purposes or simply preserved by private individuals with an interest in local antiquities. The stone ended up in Knockraheen, detached from the religious context that would have given it its original meaning. Bullauns were long associated in local tradition with healing, cursing, and the turning of water in the basin to make a wish or invoke a blessing, though the specific practices attached to any individual stone varied considerably from place to place.