What makes it worth a second glance is less its size than its position and its stubbornness: despite quarrying that has eaten into the western and northern sections, the surviving bank still rises to about two metres in height, and its northern face retains a stone revetment, suggesting this was never simply a thrown-up mound but a deliberately engineered enclosure.

The site is a rath, the Irish term for a ringfort, the most common archaeological monument type in the Irish landscape. Ringforts were typically enclosed farmsteads of the early medieval period, roughly the fifth to the twelfth centuries, where a family and their livestock lived within a circular bank and ditch. This one measures around twenty-four metres in diameter, defined by a scarp rather than the classic raised earthen bank with external fosse, or ditch, which suggests either a different constructional approach or significant erosion and disturbance over time. The stone-faced northern section implies some care in its original construction. The quarrying that removed part of the enclosing element and cut into the interior is a familiar story across Cork and indeed across Ireland, where ringforts were raided for building material or levelled to make way for more pasture, often well into the nineteenth and twentieth centuries. That this one survives at all, even partially, on its knoll above the lough, is largely down to the awkwardness of the terrain.