Standing stones of this kind are among the most enigmatic category of prehistoric monument in Ireland. Erected during the Neolithic or Bronze Age, they resist easy interpretation: some mark burial sites, some may have served as territorial boundaries or waymarkers, and some appear to have been positioned in relation to astronomical events such as solstice sunrises or moonrises. Without excavation or detailed survey, the stones at Killadangan remain in this familiar state of productive uncertainty.

Killadangan sits on the southern shore of Clew Bay, a stretch of coastline that has attracted human settlement since prehistory, partly because of its sheltered waters and partly because of the relatively fertile land at the bay's edge. The wider landscape around Clew Bay is dense with prehistoric and early medieval remains, from megalithic tombs to ringforts, suggesting sustained occupation across several thousand years. The standing stones here fit into that broader pattern, even if their specific story, who raised them, when, and for what purpose, remains unresolved.