At Lisgortnacaheragh, known in Irish as Lios Gort na Rátha, the Ordnance Survey maps recorded a univallate enclosure, a single-ditched or embanked ringfort of the kind that dots the Irish countryside in the thousands, with a clochaun sitting in its eastern interior. A clochaun is a small dry-stone beehive hut, a building technique with roots stretching back into early medieval Ireland, associated with monastic and agricultural settlement alike. By 1845, when Ordnance Survey fieldworkers noted it down, the structure was standing to just one foot, roughly thirty centimetres, above ground. Today, nothing remains visible at all.

The 1845 observation catches the clochaun at an already precarious moment, reduced to little more than a stub of stonework in a field. Whether it was robbed out for building material, swallowed gradually by vegetation and soil, or simply too slight to survive further decades of agricultural use is not recorded. What the maps preserve is a snapshot of a place already in the process of disappearing. J. Cuppage's 1986 archaeological survey of the Corca Dhuibhne region, which documented the Dingle Peninsula systematically, catalogued the site and noted the enclosure alongside the now-vanished clochaun, fixing its absence as firmly as any surviving monument might be fixed by its presence.