That alone is enough to make it worth a second look. Most ringforts, the circular defended farmsteads that dot the Irish countryside in their tens of thousands and date broadly to the early medieval period, have been worn down by centuries of agriculture. This one retains a remarkable degree of definition.

The site is what archaeologists classify as a univallate rath, meaning it has a single enclosing bank rather than the two or three concentric rings found at more elaborate examples. Here, that bank averages 6.5 metres across at the base and stands at its highest nearly 4.4 metres above the external fosse, the ditch that runs around the outside. The fosse itself is U-shaped in profile and remains especially clear on the western, northern, and eastern sides, varying between roughly 1.6 and 2.6 metres wide and up to 1.5 metres deep. The interior, roughly 44 metres north to south and 45 metres east to west, sits at a noticeably higher level than the ground outside, and the main entrance gap on the eastern side is a generous 9.6 metres across. Perhaps the most intriguing feature is a slight mound measuring approximately 8 by 10 metres in the western sector of the interior. Such internal mounds can sometimes indicate the remains of a souterrain, an underground stone-lined passage used for storage or refuge, though no specific identification has been made here. The site sits immediately south of another recorded monument, suggesting this part of Ballyronan once held a cluster of activity rather than a lone farmstead standing in isolation. A fieldbank on the eastern side, just south of the entrance, provides a further trace of the agricultural layering that has accumulated around the enclosure over the centuries. The details cited here come from C. Toal's North Kerry Archaeological Survey, published in 1995.