Ringfort (Rath), Cloggy, Co. Cavan

It appears on neither the 1836 nor the 1876 editions of the Ordnance Survey maps, which makes it an oddity even by the standards of ringforts, the circular or oval enclosures built across Ireland during the early medieval period, roughly between the fifth and twelfth centuries, and typically used as defended farmsteads by local farming families.

What survives today is an earthen enclosure defined by a scarp, a steep drop in ground level marking the edge of the raised interior, with a low bank sitting along its upper rim. The internal area measures approximately 42 metres on its north-northwest to south-southeast axis and just over 36 metres across the other way, giving it a distinctly oval rather than circular form. The slope of the interior is notably steep, running from the east-northeast down to the west-southwest. Along the southern and western sides, the original perimeter has been absorbed into the surrounding field boundary, meaning that the agricultural landscape has quietly swallowed part of the monument over time. No original entrance survives in a recognisable form, so whatever gap once allowed people and animals in and out has long since been lost to the same process of gradual modification.