That levelling is one of its more telling details: the ground inside has been built up to the south to create a flat platform, a small but precise piece of engineering that speaks to the care taken by whoever raised this place, probably somewhere in the period between the early medieval centuries and the coming of the Normans.

The structure is a rath, the Irish term for a ringfort, which was the most common form of enclosed settlement in early medieval Ireland. Thousands survive across the country in varying states of preservation, but they are easy to underestimate as lumps in a field. This one at Monard measures roughly 42 metres north to south and 40 metres east to west, making it a fairly substantial example. Its defining feature is a scarp, essentially a steep earthen bank or slope cut into the ground, which runs from the south-east around to the north-west and reaches a height of nearly four metres. Beyond that, from the north-west to the north-east, the boundary is marked instead by overgrowth rather than a clear scarp. A shallow external fosse, a ditch running around the outside, traces the arc from south-west to north-east, completing the enclosure's defensive or demarcating outline.

The combination of a pronounced scarp on one side and a more muted boundary on another is not unusual in ringforts where topography does much of the defensive work. On a slope like this one, a builder could rely on the natural fall of the land to reinforce the south-eastern edge while requiring less earthwork on the higher northern side. The levelled interior would have housed a farmstead, perhaps timber buildings, animal pens, and storage structures, all long since vanished. What remains is the geometry of the enclosure itself, still legible in the pasture after more than a thousand years.