This one, in the townland of Ballyelan in County Limerick, earned it through a locked gate and a refused request. The enclosure sits somewhere on private farmland, its details unverified by any archaeologist who has tried to reach it, which makes it a curiosity of a particular kind: a place known mainly by its outline on a map.

The record is spare by necessity. Denis Power, compiling the site in August 2011, could note only what was visible from the 1923 Ordnance Survey six-inch map: a sub-circular enclosure roughly twenty metres in diameter. Enclosures of this type are common across the Irish landscape, often the earthwork remains of ringforts, which were the enclosed farmsteads of the early medieval period, typically dating from around the sixth to the twelfth century. A roughly circular earthen bank, sometimes accompanied by a ditch, would have defined the domestic space of a farming family and provided a degree of protection for livestock. Whether this particular feature at Ballyelan is a ringfort, a field enclosure of a later date, or something else entirely, remains unknown. Permission to enter the land and inspect it was refused by the landowner, and so the file was closed without a site visit.

That refusal is, in its own way, part of the record now. For anyone curious enough to seek out Ballyelan, the townland lies in County Limerick, though without an inspection report there is no reliable description of what survives above ground today. The 1923 OS mapping suggests it was legible as a feature at that point, but more than a century of agricultural activity can alter such things considerably. If you happen to be in the area and have an interest in early medieval settlement patterns, the broader Limerick landscape rewards attention even where individual sites prove inaccessible. The enclosure at Ballyelan is a reminder that the archaeological record is shaped as much by access and circumstance as by what actually survives in the ground.