It is barely half a metre high and stretches only seven and a half metres at its widest, easy to walk past without a second glance. What it represents, however, is one of the most intriguing recurring features of the Irish Bronze Age landscape.

A fulacht fia is, in essence, an ancient cooking or heating site. The typical method involved heating stones in a fire and dropping them into a trough of water to bring it to the boil, after which the cracked and shattered stones were discarded into a mound nearby. Over centuries, those discarded stones accumulated into the characteristic horseshoe or kidney shape that archaeologists now recognise across Ireland in their thousands. At Frenchfort, the mound still has a waterlogged central area that opens northward onto the stream, which would have served as the water source. Burnt stone is visible where the western side of the mound has been partially worn away, offering a glimpse of the material that built up here over repeated use. A second fulacht fia lies roughly 150 metres to the west-southwest, suggesting this stretch of ground saw sustained prehistoric activity rather than a single isolated episode.