The only way it has ever been seen is from above, as a cropmark, where the differential growth of plants over buried features traces out the ghost of an enclosure that would otherwise leave no impression on the landscape at all.

Cropmarks form when buried archaeology, walls, ditches, or banks, affects the moisture and nutrient content of the soil above. In dry summers particularly, crops growing over a buried ditch draw on retained moisture and grow taller and greener, while those over buried stone or compacted ground struggle and yellow. Viewed from a sufficient height, these contrasts resolve into shapes, and circular enclosures of this kind are among the most commonly recorded forms in Irish archaeology, generally associated with the early medieval period, though without excavation it is impossible to say more about the date or function of this particular example. What can be said is that it is substantial, sixty metres being a respectable diameter for a ringfort or enclosed settlement, the kind of place where a farming family might once have lived within a raised earthen bank or fosse.