This one at Caherpeak, in County Galway, offers something quieter and stranger: a structure so thoroughly collapsed that only the patient eye will read it as anything other than a slight irregularity in a flat field. What survives is a cashel, the term used for a ringfort enclosed not by an earthen bank but by a drystone wall, and this particular example has had a difficult few centuries. Its roughly D-shaped outline measures around 32 metres north to south and 23.5 metres east to west, and the wall that once defined it now lies largely as a low, spread rubble line. The clearest stretch runs from the south-east around to the south, and even there it reads more as a thickening of the ground than as deliberate construction.

The site was recorded by McCaffrey in 1952, who noted the entrance gap at the south-east, still measurable at roughly 2.3 metres wide. That gap is one of the more legible features remaining. Less charitably, someone at some point decided the outer wall-face at the south-south-west was a convenient place to dump field-clearance rubble, the kind of loose stone that accumulates when a farmer works over rough ground. It is a common fate for ancient structures in agricultural landscapes: the boundary between archaeological monument and useful stone pile has always been blurry in practice, whatever the law might say. The rubble piled against the wall has compressed and obscured what little structural integrity remained on that side.