These circular enclosures, known in Irish as raths, were the standard farmstead of early medieval Ireland, typically defined by one or more banks of earth and accompanying ditches, and built to protect a family, their livestock, and their stores. Tens of thousands of them survive across the island in varying states of preservation, yet each occupies its own particular ground, shaped by whoever chose that spot and whatever has happened to the land since.

Teervarna is a small townland in Clare, a county whose underlying limestone karst has, in places, preserved ancient field systems and enclosures with unusual clarity. Ringforts in this region date broadly to the period between the sixth and tenth centuries, though some were in use earlier or later, and many continued to carry folk significance long after they ceased to function as farmsteads. A widespread belief that raths were inhabited by the otherworldly, by fairies in the vernacular tradition, meant that many were left undisturbed by farmers who would otherwise have levelled them for tillage. That combination of hard geology and cultural wariness has kept a good number of Clare's raths more or less intact to the present day.

Beyond its location in Teervarna and its classification as a rath, the specific details of this particular enclosure, its dimensions, its condition, the number of banks it carries, any features identified within it, remain undocumented in what is publicly available at present. It is the kind of site that registers on maps and in county records as a presence, a mark on the ground, without yet having a fuller account attached to it. That incompleteness is itself a fairly accurate reflection of how much early medieval rural Ireland still waits to be properly described.