To the untrained eye it might pass for a natural rise in the land, but its dark, crumbly composition gives it away: this is a fulacht fia, a type of prehistoric cooking site found in their thousands across Ireland, and among the most quietly ubiquitous monuments in the Irish landscape.

A fulacht fia typically consists of a horseshoe-shaped mound of burnt and fire-cracked stone, accumulated beside a water source over repeated use. The standard interpretation is that stones were heated in a fire and then dropped into a water-filled trough, bringing it rapidly to a boil for cooking meat. The process sounds improvised, but sites like this one show evidence of sustained, organised use over long periods, generally during the Bronze Age, roughly 2000 to 500 BC. The proximity to a stream at Scarteen fits the pattern almost exactly: a reliable water supply was essential, and the discarded burnt stone built up over time into the mound that survives today. The irregular shape of this particular example, rather than the classic horseshoe, is not unusual; many fulachtaí fia have lost their original form through centuries of agricultural activity or natural erosion.