It is the kind of structure that reads, at first glance, as little more than a heap of overgrown stone, yet its bones are legible enough to understand what it once did.

Lime kilns were the workhorses of agricultural improvement across rural Ireland for several centuries. The principle was simple: limestone was loaded into a funnel-shaped chamber from above, fuel was fed through a stoking hole at the base, and the intense heat broke the rock down into quicklime, which farmers then spread on acidic fields to sweeten the soil. The Dromsiveen example follows this familiar pattern, with random-rubble walls encasing the core and the remains of sloping slabs at the rear flanking what was the stoking hole. The arched recess facing south-west, measuring 1.3 metres high and 2.2 metres wide, is where the burner would have worked and where the finished lime was raked out. Siting the kiln within a quarry made practical sense, reducing the distance limestone had to be carried before burning.