Look more carefully and the shape resolves into something deliberate: a raised, lozenge-shaped platform, roughly thirty metres east to west and twenty-eight metres north to south, ringed by a bank of earth and stone with an external fosse, the term for the ditch dug around an enclosure to reinforce its boundary. The bank still carries traces of stone revetment, meaning that at some point its inner face was lined or faced with stone to hold the structure firm.

Enclosures of this kind are scattered across the Irish landscape and represent centuries of human activity, from early medieval farmsteads and defended homesteads to boundaries associated with ritual or pastoral use. The precise date and purpose of this particular example are not recorded, but the form, a raised interior platform defined by a bank-and-ditch arrangement, is characteristic of a broad tradition of enclosed settlement in early medieval Ireland. Today the fosse is heavily overgrown and its edges have blurred into the surrounding ground, while the interior holds only the stumps of trees that have since been uprooted, leaving the platform quiet and largely featureless.