That is almost all that is known about it. No excavation report, no surviving stonework described in detail, no account of what lies inside. The site is recorded simply as a circular enclosure, probable ringfort, access denied.

A ringfort, to use the general term, is a roughly circular enclosure defined by an earthen bank, a stone wall, or both, typically dating from the early medieval period in Ireland, roughly the fifth to the twelfth centuries. They served as farmsteads and settlement enclosures, and thousands survive across the country in varying states of preservation. The one at Caherloughlin falls into the category of sites that exist more as cartographic facts than as places anyone has been able to examine closely. Its diameter, at an estimated maximum of around forty-four metres, sits comfortably within the range typical of the form. Beyond that, the record goes quiet.