This is a rath, the Irish term for a ringfort, the most common type of early medieval settlement monument in the country. Thousands were built across Ireland, typically between the sixth and tenth centuries, serving as enclosed farmsteads for families of some local standing. What makes this one worth pausing over is the detail preserved in its cross-section: a steep-sided, round-topped inner bank, a flat-bottomed fosse (a defensive ditch), and beyond that a lower outer bank, the whole arrangement forming a series of concentric barriers around an interior measuring roughly 37 metres east to west and 32.5 metres north to south.

The enclosure is not perfectly intact. At the eastern side the main bank has been worn down to little more than a scarp, a slope rather than a standing feature, and at the south the enclosing elements have been levelled entirely, leaving that arc of the circuit effectively erased. The northeast section preserves the best surviving profile: the inner bank there measures 3.2 metres wide, standing about 0.85 metres above the interior and 0.9 metres above the exterior ground surface. The fosse between the inner and outer banks has a base width of 3.3 metres, suggesting a reasonably substantial original construction. Whether the levelling at the south was the work of agricultural clearance or gradual erosion over centuries is not recorded, but such partial survival is typical of lowland ringforts in Connacht, where generations of farming have quietly absorbed the edges of these ancient enclosures back into the fields around them.