That is not accidental. Lime kilns, which were used to burn limestone at high temperatures to produce quicklime for fertilising fields and mortaring stone, were routinely built into banks or hillsides so that workers could load fuel and raw limestone in from the top while drawing the finished lime out from the bottom. Here, the arrangement survives intact enough to read clearly: a front elevation facing east, five metres high and just over five metres wide, with a brick-lined funnel roughly one and a half metres in diameter dropping down through the structure.

The kiln's front face retains its earthen core and presents an arched recess, two metres high and just over two metres wide, recessed to a depth of about two and a third metres. At the rear, sloping slabs lead down to a lintelled opening at the base, the draw hole through which the calcined lime would have been raked out after firing. The whole structure stands close to Anne's Bridge, a named crossing to the east, which suggests this was a working corner of a rural landscape with enough traffic and agricultural need to justify a permanent burning installation rather than the smaller, temporary field kilns that were also common across Ireland. The Dalua River provided a natural boundary and the sloping ground the structural logic; both were simply put to use.