That uncertainty is precisely what makes this site worth pausing over. A souterrain is an underground stone-lined passage or chamber, typically associated with early medieval settlements in Ireland, used variously for storage, refuge, or as a place of concealment. What distinguishes this one is that it may never be verified at all.

In 1940, members of the Co. Kerry Field Club noted something curious about the fabric of the church here. Their minutes recorded that the eastern end of the south wall appeared to project and widen in a way consistent with a souterrain running beneath it, a structural anomaly that suggested the passage had been incorporated into, or predated, the church building itself. That observation was precise enough to be taken seriously, but the site has since made verification all but impossible. The south-east corner of the church subsequently collapsed outward, and the resulting mound of rubble now obscures an area of up to four metres, burying whatever structural evidence may once have been accessible. There are no visible remains of the possible souterrain today.

What remains, then, is a record of something glimpsed and then lost, a feature noted by careful observers at a particular moment in time, before collapse and accumulation quietly closed off the question. The site sits within the footprint of the church itself, and the rubble that conceals the possible souterrain is the same rubble that has become part of the ruin's present character. It is a place where the archaeological and the ambiguous have become genuinely inseparable.