The example at Beltra, in County Mayo, is one such site: a rath, which is the Irish term for a roughly circular earthwork enclosure, typically formed by one or more banks and ditches, and used primarily as a defended farmstead during the early medieval period, roughly between the fifth and twelfth centuries. These were not military fortifications in any grand sense, but working agricultural settlements, home to a family and their livestock, the bank and ditch serving as much to keep animals in as to keep threats out.

Beltra sits in the west of County Mayo, in a landscape shaped by Atlantic weather, drumlin topography, and centuries of small-scale farming. Raths in this part of Connacht tend to survive where the land was never subjected to deep ploughing or intensive drainage schemes, conditions that have erased so many similar sites elsewhere. Without more detailed recorded information currently available for this particular monument, it is difficult to say more about its dimensions, condition, or any associated finds. What can be said is that its existence in the record places it among the most common yet persistently underappreciated class of monument in the Irish countryside, structures that once defined the basic unit of rural life across the island for more than half a millennium.