The earthen bank, standing about one and a half metres high and encircling an area roughly thirty metres across, is the kind of feature that a casual walker might easily mistake for a natural undulation in the ground. It is, in fact, a rath, the Irish term for a ringfort, a class of enclosed settlement that was built and occupied predominantly during the early medieval period, roughly between the fifth and twelfth centuries. Thousands of these earthworks survive across Ireland, yet each one represents what was once a working farmstead, the home of a family or small community who raised the bank as a boundary and, likely, a marker of status.

The Ballingarrane example is modest in scale but structurally coherent. A single earthen bank defines a circular interior, and the eastern half of that interior is now heavily overgrown, meaning the ground surface and any features within it are effectively hidden from view. Ringforts of this type were typically the dwellings of free farming families in Gaelic society, the enclosure serving to delineate property, contain livestock, and offer a degree of protection. Some contained souterrains, underground stone-lined passages used for storage or refuge, though whether any such feature exists here is not recorded.