Somewhere within it lies a rath, a ringfort, the remains of a roughly circular earthwork enclosure that would once have defined the boundary of a farmstead, most likely dating to somewhere between the sixth and tenth centuries. These structures, tens of thousands of which survive across Ireland in varying states of preservation, were the basic unit of rural life in early medieval Ireland, a low bank and ditch marking the limit of a family's domestic world.

Clare is particularly dense with such monuments, and Dysert sits in a landscape already layered with early Christian associations. The name alone suggests this was ground considered set apart, a place chosen deliberately for withdrawal from the ordinary world. Raths in such townlands sometimes cluster near the remains of a church site or holy well, the secular and sacred uses of the same territory overlapping across centuries. Without more detailed field records it is difficult to say more about this particular enclosure, its dimensions, its condition, or what, if anything, survives above the modern ground surface.