The feature is a cropmark, a phenomenon where buried ditches and banks cause crops or grass above them to grow at slightly different rates, producing patterns visible only from the air. In this case, the photograph taken in July 1989 shows the fosse, the enclosing ditch, of what was most likely a ringfort, the kind of circular farmstead that dots the Irish countryside in its thousands and dates broadly to the early medieval period.

What makes this particular site quietly interesting is the detail packed into a single aerial image. Within the enclosure's north-western quadrant, a smaller circular cropmark hints at the location of a house or outbuilding, while a possible entrance gap opens to the north-east, the orientation favoured at many comparable sites. The enclosure sits immediately east of a natural depression in the landscape, and the 1842 Ordnance Survey six-inch map records a lime kiln nearby, a structure used for burning limestone to produce agricultural quicklime, suggesting the land was actively worked well into the nineteenth century. Further linear cropmarks forming right angles in the north-eastern quadrant may represent the corner of an ancient field boundary, linking this enclosure to a wider field system in the area. The site is one of five enclosures recorded in that same system, and together they suggest a settled, organised agricultural landscape whose origins likely reach back well over a thousand years.