What makes this one quietly arresting is not its grandeur but its survival, partial and precarious, beneath a landscape that gives little away from the surface.

The structure comprises three earth-cut chambers, a less common form than the corbelled stone-built souterrains found elsewhere in Munster. One of the three chambers has largely collapsed, which is not unusual for earth-cut examples, where the roof depends on the stability of the soil above rather than fitted stonework. The entrance is visible from within the interior of the associated ringfort, a roughly circular enclosure defined by an earthen bank and ditch, of a type built widely across Ireland from the early medieval period onwards. The two features together, the ringfort and its underground annexe, represent the kind of layered domestic site that once would have served a farming family or small community, the souterrain functioning perhaps as a cool store for dairy produce or as a place of concealment in uncertain times.