Somewhere in the pastureland of Ballycahane, County Limerick, the ground holds the trace of a hearth, an ancient domestic fire whose existence was unknown to cartographers and unrecorded on any Ordnance Survey map, historic or otherwise. It surfaced, briefly and almost incidentally, not through archaeological excavation but through the industrial business of laying a gas pipeline.

In 1986, groundworks for the Limerick Gas Pipeline disturbed the soil of this field and revealed what was subsequently logged as Site 2/38/1 and described as a hearth, a term that in this context refers to a burning or fire site, typically a simple clay or stone structure used for cooking or heating. The find was recorded by Gowen in 1988. The location sits roughly 50 metres south-east of a watercourse and about 275 metres south of the townland boundary with Shanaclogh. Some 50 metres to the north lies a separate enclosure, also recorded but unelaborated upon, which hints that this small patch of countryside once held more activity than its current pastoral quiet would suggest. The hearth was not depicted on any historic mapping, meaning it left no mark on the documentary record and was effectively invisible until a mechanical excavator said otherwise.

Today there are no surface remains visible, and the site sits in ordinary farmland with nothing to distinguish it from the surrounding grass. The watercourse nearby and the enclosure to the north are the only physical reference points a visitor might orient themselves by, though access to agricultural land always depends on landowner permission. The value of the site is less in what can be seen than in what it represents about how archaeology actually works in Ireland, quietly encountered during infrastructure projects, catalogued, and then returned to silence. The record exists; the field does not give it away.