Within the interior of a rath, the circular earthwork enclosure that was a common form of defended farmstead in early medieval Ireland, local knowledge once pointed to an opening in the ground that led into an underground passage. That passage, if it was indeed a souterrain, would have belonged to a tradition of dry-stone or rock-cut tunnels built beneath or beside raths across Ireland, used variously for storage, refuge, or ventilation of below-ground spaces.

The opening has since been closed for safety reasons and the ground levelled off, leaving no visible surface trace of the possible souterrain. What survives is essentially the memory of the feature, recorded through local information and documented in the Archaeological Inventory of County Cork rather than through any direct physical investigation. The qualifier "possible" matters here: without excavation or survey of the underground space, the passage could not be confirmed as a souterrain in the archaeological sense, and the record reflects that uncertainty honestly.

There is nothing for a visitor to observe at this particular spot, and no approach or timing that would change that. The interest lies elsewhere: in what it says about how much of Ireland's early medieval landscape persists below the surface, unexcavated and occasionally glimpsed only when someone notices a hollow in the ground, before it is closed over again.