A rath, to give it its proper context, is a type of enclosed farmstead common throughout early medieval Ireland, defined by one or more earthen banks; they are found in their thousands across the country, and yet no two are quite alike in what their interiors contain or conceal.

This particular structure, relatively modest in scale, measures 8.2 metres north to south and 4.2 metres east to west, with a narrow entrance of just 0.6 metres facing west. The stonework itself is thought to be of comparatively modern construction, and the working interpretation is that it may have served as an animal pen at some point in the more recent agricultural past. What makes the detail worth pausing over is the mound beneath it, roughly a metre high, which may represent the footprint of a much earlier hut site. That earlier feature, if the interpretation holds, would belong to a very different period of occupation, pre-dating the stone pen that was later set on top of it. It is an arrangement that archaeologists working on the Iveragh Peninsula have noted in their survey of south Kerry, and it illustrates a pattern common enough in the Irish landscape: later generations finding the raised, perhaps already cleared ground of an old structure a convenient place to build something new, with little apparent concern for what lay beneath.