No earthen bank rises from the grass, no ditch catches shadow in low winter light, no arc of stones hints at what was once enclosed here. The site survives today only as a cartographic fact, recorded on the first edition of the Ordnance Survey six-inch map as a circular enclosure roughly thirty metres in diameter.

A rath, as ringforts of this earthen type are commonly known, would originally have consisted of a raised circular bank, sometimes with an outer ditch, enclosing a domestic space used during the early medieval period, roughly between the fifth and twelfth centuries. They are among the most numerous monument types in the Irish landscape, numbering in the tens of thousands, and they served primarily as enclosed farmsteads for families of some local standing. The example at Ballytrasna was modest in scale at around thirty metres across, and whatever bank or ditch once defined it has since been levelled entirely, most likely by agricultural improvement over the centuries. Its presence is known only because the nineteenth-century surveyors recorded it before it disappeared.