The example at Boolteens, in County Kerry, is one such site: a rath, which is the Irish term for a ringfort constructed from earthen banks rather than stone, typically enclosing a single farmstead of the early medieval period, roughly between the fifth and twelfth centuries. These circular enclosures were the basic unit of rural life for much of early Christian Ireland, home to a farming family and their livestock, and the earthen banks that defined them were as much a statement of status as a practical boundary.

Boolteens sits in the south of Kerry, in that broad stretch of inland farmland that lies between the more celebrated peninsulas of the southwest. The presence of a rath here is unsurprising in geographical terms; Kerry has a high density of early medieval settlement remains, and low-lying ground suitable for small-scale mixed farming was precisely where such enclosures tended to cluster. What is less easy to recover, at present, are the specific details of this particular site, including its dimensions, its condition, and whether any internal features such as souterrains (stone-lined underground passages associated with storage or refuge) have been recorded. The documentary record for this monument has not yet been made publicly available in digital form, which places it among a considerable number of Irish sites that exist as map references and classified monument types without accompanying narrative.