On a steep north-east-facing slope in Cutteen, County Waterford, there is a grass-covered hollow in the ground that has been puzzling mapmakers for nearly two centuries. The Ordnance Survey recorded it in 1840 as a circular embanked feature roughly 30 metres in external diameter. By the time the revised edition of the six-inch map appeared in 1928, the recorded diameter had grown to around 45 metres, a discrepancy that likely reflects differences in survey method or interpretation rather than any dramatic change in the landscape itself. On the ground today the feature measures approximately 34 metres north-west to south-east and 30 metres north-east to south-west, making it broadly sub-circular. A curving field bank running from west to north encloses roughly 20 metres of its perimeter.

Enclosures of this kind are a common enough feature of the Irish countryside, though their purposes vary considerably. Some are the remains of ringforts, the circular farmsteads that were the dominant settlement form in early medieval Ireland, typically dating from around the sixth to the twelfth centuries. Others may be prehistoric in origin, or connected with cattle management, or even natural formations that were later adapted. What distinguishes this particular example is its setting. It sits on a severe slope dropping down towards the Tay stream, a small watercourse running roughly north-west to south-east about 120 metres to the north-east. That positioning, on ground that falls away sharply rather than on a commanding height or level pasture, does not fit the most common pattern for a defensive or agricultural enclosure. The interior has a slightly dished quality, as though the ground within has settled or was deliberately hollowed, though the grassed-over bank that survives offers little by way of obvious explanation.