Built from large limestone blocks and oriented north to south, it is the kind of remnant that raises more questions than it answers. The bog has consumed most of it, leaving only this brief visible stretch as evidence that the land was once divided, managed, and presumably farmed by someone whose name and era are now entirely unknown.

The wall is described as pre-bog, meaning it was constructed before the surrounding bogland formed over it. Bogs develop slowly over centuries as waterlogged conditions cause plant matter to accumulate into peat, and anything that existed on the earlier landscape can end up preserved, or buried, beneath them. This particular fragment, in an undulating area of rock and scrubland in west Connemara, would once have marked the edge of a field or enclosure on what was then open ground. The limestone construction is characteristic of the region, where that stone is abundant and was the natural material to hand for any kind of boundary work. Without excavation or dating, it is impossible to say how old the wall is, though pre-bog field systems in the west of Ireland often date to the Bronze Age or earlier.