This is a rath, the Irish term for a ringfort, which was the most common form of rural settlement in early medieval Ireland, typically enclosing a farmstead and its outbuildings within an earthen bank and ditch. Most date to somewhere between the sixth and tenth centuries, and Ireland once had tens of thousands of them scattered across the landscape. This one is a univallate example, meaning it has a single enclosing bank rather than the two or three concentric rings that marked higher-status sites.

The dimensions here are precise enough to give a real sense of the place. The interior is subcircular, measuring roughly 26 metres north to south and just over 27 metres east to west, an area about the size of a large house and yard combined. The bank survives to an external height of 1.65 metres, dropping about 90 centimetres down to the level interior, and is 3.4 metres wide at its base. What makes this rath slightly more notable than a simple earthwork is the entrance, positioned on the eastern side, which is stone-faced. The facing, which lines each side of the 1.95-metre-wide gap, extends a metre along the outer face of the bank on both sides, giving the threshold a degree of finish that suggests some care in its construction. The rath lies roughly 120 metres south-east of another recorded site nearby, hinting at a landscape that was once more densely settled than the quiet fields around it might suggest.