Known in Irish as a ráth, a ringfort is typically a circular area enclosed by one or more earthen banks and ditches, built roughly between the sixth and tenth centuries and used as a farmstead or the residence of a local farming family of some standing. There are estimated to be around 40,000 surviving examples across the island, yet each one occupies a particular piece of ground for particular reasons, and the one on Slievenageeragh is no exception.

The mountain itself, whose name derives from the Irish and relates to the area's local geography, would have offered its early inhabitants both a degree of natural elevation and visibility across the surrounding countryside. The choice of site was rarely arbitrary. Builders of raths tended to favour ground that gave them a commanding view of their landholding, practical drainage, and some defensible advantage, even if the enclosures were as much about marking social territory as repelling attack. The earthen banks would have enclosed a household, perhaps with timber structures inside, animals brought in at night, and all the routines of early Irish rural life carried on within that clearly drawn circle in the earth.

Beyond its location on Slievenageeragh, the documentary record for this particular site is currently sparse, and the specific history of who built it, when exactly, and what archaeological investigation if any has been carried out there remains to be drawn out more fully. What can be said is that it belongs to a class of monument that shaped the Irish countryside for centuries and that continues to dot hillsides and fields across Clare in various states of preservation, some barely traceable, others still raising their banks several feet above the surrounding ground.