These circular earthwork enclosures, known in Irish as raths, were the farmsteads of early medieval Ireland, typically dating from roughly the fifth to the twelfth centuries. A bank of earth, sometimes accompanied by a fosse or outer ditch, defined the boundary of a family's dwelling space and smallholding. Tens of thousands of them once existed across Ireland; several thousand survive in some form today, scattered through fields and pasture with a frequency that still surprises visitors unfamiliar with the density of early medieval settlement here.

The rath at Gortglass belongs to this broad tradition, tucked into a part of Kerry where the placename itself offers a small clue. Gortglass derives from the Irish gort glas, meaning green or grey-green field, a name that speaks more to agricultural character than to any dramatic topography. Kerry contains a considerable number of surviving ringforts, a reflection both of the county's historically dispersed rural settlement pattern and of the degree to which such features were left undisturbed in landscapes given over to rough grazing rather than intensive tillage. The specific details of this particular example, its dimensions, the condition of its banks, any evidence of internal features, remain to be fully documented in the public record.