No earthwork rises above the grass, no visible bank or ditch marks the boundary, and a person walking across the site today would have no reason to pause. Yet the enclosure is there, recorded and measured, its outline preserved only in cartographic memory.

The two nineteenth-century Ordnance Survey maps of the area tell an oddly inconsistent story. The 1838 six-inch edition shows the enclosure as a D-shaped field, suggesting that at least some portion of its outline was still legible in the landscape at that time, perhaps incorporated into a field boundary in the way that farmers across Ireland quietly absorbed older earthworks into their own arrangements. By the 1907 edition, the same feature is rendered as a circular area, measuring roughly fifty metres on its longer northeast to southwest axis and forty metres across. Enclosures of this general type, roughly circular or subcircular in plan, are commonly associated with early medieval settlement in Ireland, often the remains of a rath or ringfort, a type of enclosed farmstead that was widespread from around the sixth to the twelfth century. Whether that is the origin here, the notes do not confirm. What is clear is that the site sits on a gentle north to northeast-facing slope at Tombreen, and that between the mid-nineteenth century and the present day, whatever remained above ground has disappeared entirely.