This one does not. In a pasture field about 120 metres south of the River Blackwater in Rathduane, County Cork, there is nothing to see at all, at least not for most of the year. The site only reveals itself when the field is ploughed, at which point a spread of burnt material rises to the surface, the quiet signature of a fulacht fia.

A fulacht fia is a type of prehistoric cooking or processing site found in great numbers across Ireland, typically Bronze Age in date. The usual interpretation is that stones were heated in a fire and then dropped into a water-filled trough to bring it to the boil, which would explain the characteristic mounds of fire-cracked, heat-shattered stone that survive at such sites. Where a mound survives it can be quite conspicuous, often horseshoe-shaped and dark with charred organic material. Here, that mound has been levelled entirely by centuries of agricultural activity, leaving only the buried scatter of burnt stone that ploughing occasionally disturbs. Another fulacht fia sits roughly 300 metres to the west, suggesting this stretch of land beside the Blackwater was used repeatedly, perhaps because reliable water and flat grazing ground made it a practical stopping point for people moving through the landscape in prehistory.