But this particular spread of burnt material at Lackaroe in north Cork is a fulacht fia, one of the most common yet quietly puzzling monument types in the Irish archaeological landscape. A fulacht fia is a Bronze Age cooking site, typically comprising a trough dug into the ground near a water source and a surrounding mound built up from the fire-cracked stones that accumulated as hot rocks were used to boil the water. The Lackaroe example measures thirteen metres long, eleven and a half metres wide, and half a metre high, with an opening of four metres facing west-northwest, likely orientated towards the stream that once supplied it.

What makes this site particularly worth noting is that it does not stand alone. It is one of a cluster of three fulachta fiadh in the immediate area, a grouping that suggests sustained, repeated activity in this part of north Cork during the Bronze Age. Such clusters are not unusual; fulachta fiadh are often found near one another along watercourses, and their concentration at a single location has led archaeologists to debate whether they served purely as cooking places or had additional functions, perhaps related to hide-working, bathing, or even brewing. The Lackaroe mound fits the classic profile: a horse-shoe or kidney shape formed by the gradual mounding of discarded heat-shattered stone, with the open end facing the water source that made the whole process possible.