The coexistence is quietly disorienting: early medieval engineering on one side, poured concrete on the other.

The site is a rath, the Irish term for a ringfort, a type of enclosed farmstead built predominantly between the sixth and tenth centuries, in which a raised circular area was defended by one or more earthen banks and a fosse, a rock-cut or earthen ditch. Here the inner bank runs to roughly thirty-eight metres in internal diameter, with a width of around four metres and an external height of three metres, making it a reasonably substantial example of the type. A fosse approximately two and a half metres wide runs around it, with an external bank rising a further one and a half metres above the ditch. The western half of this arrangement is the best preserved, where both the fosse and outer bank retain their definition clearly. Elsewhere the picture is more complicated: the fosse fades to a broad shallow depression on much of the circuit, the outer bank has been lost entirely at the south-east and south, and a break of roughly four metres has been made in the inner bank at the north-east, apparently in relatively recent times. That gap, like the concrete platform inside, speaks to the long afterlife of such monuments as convenient features in a working agricultural landscape, pressed into use long after their original purpose was forgotten.