That kind of cartographic persistence is itself telling. Somebody has always known this place was here, even as the land around it was divided and redivided into the neat field system that now presses in on it from all four sides.

The fort is a ringfort, a type of roughly circular enclosure built in early medieval Ireland, typically as a defended farmstead, defined by an earthen bank and sometimes an outer ditch called a fosse. At Scoobagh, the enclosure measures approximately 28 metres north to south and 30 metres east to west. The bank is most legible along the western to north-eastern arc, where it stands around 1.15 metres above the surrounding ground on its outer face, with an overall width of nearly 10 metres at its base. Moving around to the eastern side, it diminishes to a broad, low scarp, only about half a metre high. A possible entrance, roughly 6 metres wide, opens at the east-north-east. The interior slopes very gently downward toward that same direction and shows no visible features on the surface. There are faint possible traces of an outer fosse to the west-north-west, which would have added a second layer of enclosure, though these are not conclusive. A substantial clump of briars obscures the north-eastern portion of the bank and pushes into the interior, partly softening and partly complicating the reading of the monument. A small corrugated shed sits just a few metres away to the north-east, an everyday neighbour to something that is likely more than a thousand years old.