That slight detour is not an accident of surveying or a farmer's fence line; it appears to curve around the outer edge of a ringfort, as if drivers and walkers have been quietly deferring to the site for generations without necessarily knowing why.

A ringfort, or rath, is one of the most common monument types in the Irish landscape: a roughly circular enclosure defined by an earthen bank and, often, an outer ditch, used as a farmstead or defended homestead during the early medieval period. This particular example sits on a north-facing slope in pasture, and its surviving dimensions give a reasonable sense of what remains. The circular interior measures around 28 metres east to west, bounded by an earthen bank that still stands about 1.4 metres high on the interior face and 0.8 metres on the exterior. An outer fosse, or ditch, survives to a depth of roughly 0.7 metres along the southern to north-western arc. The northern and eastern portions of the bank have been largely levelled, but a low rise in the ground still traces their original line. The site appeared on the Ordnance Survey six-inch map of 1936 as a hachured arc, the cartographic convention for indicating a raised earthwork, though only the southern and western sections were recorded clearly even then.