A fulacht fia is a type of prehistoric cooking site, typically consisting of a horseshoe-shaped mound of burnt and heat-shattered stone accumulated beside a trough and a water source. They are among the most common archaeological monuments in Ireland, dating mostly to the Bronze Age, and yet the one at Gurteenroe can be easy to overlook, partly because it no longer announces itself the way an intact mound would.

According to local information, the mound here was levelled around 1969, probably in the course of agricultural activity. Before that, it would have been a more visible feature of the field, a classic burnt-mound accumulation sitting close to a stream roughly fifty metres to the south. The proximity to water is typical; fulachtaí fia generally rely on a nearby source to fill the trough, with heated stones then dropped in to bring the water to the boil. What the levelling left behind is a grass-covered spread of the burnt material, enough to confirm the site but robbed of much of its original shape and height.

The flattening of monuments like this one during mid-twentieth-century land improvement was common across rural Ireland, and Gurteenroe is a quiet example of how much was lost in that period before statutory protections tightened. The site survives as a scatter in the soil rather than a feature in the landscape, a faint signal of Bronze Age activity that only the surrounding pasture and that nearby stream now frame.