This is a fulacht fia, a term used to describe the remains of a prehistoric cooking site, typically identified by a mound of fire-cracked stones and charcoal left behind after repeated episodes of heating water in a trough. The method involved bringing stones to a high temperature in a fire, then dropping them into a water-filled pit until the liquid boiled. The stone, once spent, was discarded into a characteristic horseshoe-shaped mound. Thousands of these sites survive across Ireland, yet their sheer frequency does little to diminish the strangeness of encountering one.

What makes this particular spot in Curraghbeg somewhat unusual is not that it exists, but that it does not exist alone. A second fulacht fia lies roughly twenty metres to the south, and the proximity of the two raises quiet questions about how these places were used and by whom. The marshy, streamside setting is entirely typical; fulachtaí fia are almost always found near water, and low-lying, wet ground seems to have been actively sought rather than merely tolerated. The spread of burnt material recorded here follows the pattern seen at sites throughout Munster, where Mid Cork in particular has yielded a high concentration of examples.