It runs just over twenty metres from north to south on a slope facing north, east of the small river known as Abhainn an tSraithín, built from loose stones and boulders in the manner of countless field boundaries across the west of Ireland. What makes it quietly remarkable is not its construction but its context: the bog grew up around it and over it, preserving the wall beneath a layer of turf that has since been cut away, leaving this short stretch exposed while the northern end still disappears into an uncut turf bank.

Pre-bog walls like this one are traces of an agricultural landscape that predates the formation of the blanket bog, which began accumulating across much of the west of Ireland from the Bronze Age onwards, though the process continued in places well into later periods. When farmers in earlier centuries divided their land with stone boundaries, they were working ground that was open and, at least in places, productive. Over time, rising peat engulfed those boundaries, preserving them in the way that bogs preserve organic and inorganic material alike, sealed from the processes that would otherwise break them down. The wall at Attirowerty belongs to that buried world, a field system frozen at the moment the bog overtook it, its original extent now unknowable without further excavation.