It is in fact a rath, the Irish term for a ringfort, a type of enclosed farmstead built across Ireland during the early medieval period, roughly between the fifth and twelfth centuries. These were not primarily defensive structures in any military sense, but rather farmsteads whose earthen banks marked territory, controlled livestock, and perhaps signalled the status of whoever lived inside.

This particular example is quietly well-preserved. The circular interior measures approximately 28.5 metres north to south and 28 metres east to west, and the whole platform sits roughly 1.5 metres above the surrounding ground level. The enclosing earthen bank rises a further 1.7 metres, and on its inner face it is stone-lined, a detail that suggests some care in the original construction. Outside the bank runs a fosse, a shallow ditch, though at only 0.3 metres deep it is more token than trench at this point. Two breaks in the bank, one to the east measuring 5.3 metres wide and a narrower one to the west-southwest, most likely represent original entrance gaps, the eastern one wide enough to have served as the main access point.