What survives is a scarp, heavily overgrown and broken up, tracing an oval roughly 17.5 metres along its longer axis and 14.3 metres across. A rectangular depression sits inside the interior, likely the result of the same quarrying that has eaten away much of the enclosure itself. On purely archaeological terms, it is a fragmentary thing, the kind of site that registers in inventories with phrases like "very poorly preserved". What keeps it from being merely that is a layer of older story attached to it.

Local tradition holds that this is one of the many places where Diarmuid and Gráinne sheltered during their long flight across Ireland. The tale belongs to the Fenian Cycle of early Irish mythology: Gráinne, promised in marriage to the ageing warrior Fionn Mac Cumhaill, places a magical compulsion on the young Diarmuid and forces him to elope with her, after which the two spend years moving through the Irish landscape, always pursued, never settling. The flight became so embedded in the popular imagination that hundreds of megalithic and earthwork sites across Ireland were drawn into its geography, ordinary places acquiring mythological overnight guests. This modest enclosure in Galway is one of them, a quiet accretion of story onto stone and soil that says less about where Diarmuid and Gráinne actually went and more about how deeply that pursuit threaded itself into local memory.