In a harvested cereal crop, it vanishes entirely at ground level, absorbed into the flat geometry of the Hook peninsula's farmland. Locals know it as a raheen, a diminutive Irish term often applied to small, low-lying ringforts, and it has been described simply as a mound covered in bushes. That description does more work than it might seem. Ringforts, which were typically enclosed farmsteads of the early medieval period, built within a circular earthen bank, are among the most common archaeological monument types in Ireland, numbering in the tens of thousands. But this one sits on an unusually constrained stretch of land, on the narrow low-lying neck of the Hook peninsula, a sliver of ground roughly four and a half kilometres long northeast to southwest, and no more than a kilometre and a half wide at its broadest. In a landscape that offers so little room, the presence of a settled, enclosed homestead says something about how thoroughly this peninsula was occupied and worked over the centuries.