That is, in a sense, the whole point. On a west-facing slope in the undulating pasture of County Sligo, the ground gives no hint that anything lies beneath it, yet aerial photography has revealed the faint outline of what may be a ring-ditch, a circular or near-circular trench that was typically dug around a burial mound or funerary monument in prehistoric times. The mound itself, if there ever was one, has long since been levelled by centuries of farming, leaving only the ghost of the surrounding ditch to betray its presence from above.

The site came to light through a single aerial photograph, reference ACP V203/94-5, which captured the crop or soil marks that such buried features can produce under the right conditions of drought or low sunlight. These marks appear when a filled-in ditch retains more moisture than the surrounding ground, causing the vegetation above it to grow differently, sometimes more lushly, sometimes more slowly, in a pattern invisible at ground level but legible from the air. The qualification of "possible" ring-ditch reflects the difficulty of interpreting such evidence with certainty; the shape is suggestive, but without excavation it remains a hypothesis rather than a confirmed monument.