The earthen bank that once defined this ringfort, roughly forty metres across at its widest, now does double duty as a field boundary, its original purpose as a defended or prestigious homestead gradually forgotten as generations of landowners simply found it useful. That kind of quiet persistence is not unusual for ringforts, which number in the tens of thousands across Ireland and date broadly from the early medieval period, roughly the fifth to the twelfth centuries, but there is something particularly telling about a monument that survives precisely because it was convenient rather than commemorated.

What makes this example in Rathlevanagh worth a closer look is the presence of a small annexe attached to the southeast side. Visible on aerial photography, it takes the form of a low semi-circular projection defined by a scarp, a sloped earthen edge, and a slight fosse, meaning a shallow external ditch. Annexes of this kind are sometimes interpreted as enclosures for livestock, providing a secondary protected space just outside the main living area. The main enclosure measures approximately thirty-seven metres north to south and forty metres east to west, making it a fairly typical example of the rath form, the commonest type of ringfort, which typically consisted of a roughly circular area enclosed by one or more earthen banks and ditches.