This is a bullaun stone, a type of monument found widely across early medieval Ireland, characterised by one or more cup-shaped depressions ground into the rock. Their exact purpose remains debated; theories range from the practical, grain-grinding or pigment preparation, to the ritual, with many bullaun stones accumulating associations with holy wells, saints, and folk cures over the centuries. The hollow here measures roughly 25 centimetres across and 10 centimetres deep, modest in scale but deliberately made.

What gives the Kilgobnet stone its particular interest is its relationship to the cluster of features around it. It sits approximately 12 metres south of what has been identified as a possible early ecclesiastical enclosure, and about 30 metres south of both a burial ground and a second bullaun stone. That second stone is a near neighbour rather than a distant cousin, and together the two bullauns sit within what appears to have been a zone of early Christian activity, the kind of loosely organised sacred landscape, enclosure, burials, and ritual stonework, that characterises many early medieval religious sites in Ireland. The sandstone block itself is embedded in the ground rather than freestanding, which may reflect deliberate placement, gradual subsidence over centuries, or both.