But the low arc of earth in Tomdeely North is the surviving rim of a ringfort, a rath, which is the most common monument type in the Irish countryside. Raths are roughly circular enclosures defined by one or more earthen banks and ditches, built during the early medieval period as enclosed farmsteads or places of settlement. What makes this one quietly interesting is how thoroughly the landscape has worked against its legibility. The undergrowth has claimed it, quarrying has disturbed parts of the surface, and a trackway appears to have cut straight through the northern edge of the enclosure at some point, interrupting the circuit before anyone thought to record what was being lost.

The ringfort was captured on the 1841 Ordnance Survey six-inch map, which gives a useful baseline for understanding what has since changed. At that point it was recorded as an embanked circular enclosure with a diameter of approximately thirty metres, a fairly modest but not unusual size for a rath of this type. By the time Denis Power compiled the site record, uploaded in August 2011, the monument had retreated considerably from that mapped clarity. The earthen bank that remains can be traced on the eastern side of the trackway, curving from the north-west round to the south-west. Its internal height is around 0.45 metres and its external height reaches roughly 0.9 metres, the difference reflecting how the outer face of such banks was typically built up to emphasise enclosure and perhaps to convey a degree of status to anyone approaching from outside.

Access to this site requires patience rather than planning. It sits in a low-lying wooded area, and the combination of dense undergrowth and disturbed ground means the bank is easier to sense than to see clearly. The trackway running along its eastern edge provides a reference point; once you are standing beside it, the gentle curve of earth to the west becomes more legible as a deliberate, human-made form rather than a natural undulation. There is no formal visitor infrastructure here, and the site rewards the kind of slow attention that lets the shape of the land speak rather than any particular feature to photograph or touch.