It is a rath, the Irish term for an earthen ringfort, a type of enclosed farmstead built and occupied throughout the early medieval period, roughly between the fifth and twelfth centuries. Thousands survive across Ireland, but most are so reduced by centuries of farming that they read as faint shadows in the soil. This one at Dromneavane retains a convincing physicality.

The enclosure measures approximately 27.5 metres north to south and 27 metres east to west, which places it comfortably within the typical size range for a single-family farming settlement. The defining earthen bank is six metres wide, rising only about 0.8 metres on its interior face but presenting an external height of 3.2 metres, a difference that underlines how much of a rath's defensive profile was achieved by digging downward rather than simply piling earth upward. The external fosse, the accompanying ditch that provided the raw material for the bank and added an extra obstacle to any approach, is visible from the south-west around to the south-east, though overgrowth obscures the section between south-south-east and south-west. Narrow gaps in the bank survive at the north-west and north-east, and the main entrance is a causeway 2.5 metres wide on the south-east side, a deliberate break across the fosse that would have allowed access while still channelling movement past the most defensible face of the enclosure. The south-eastern orientation of the entrance is a common preference in Irish ringforts, possibly for practical reasons related to prevailing weather and morning light.