This is a burnt mound, or fulacht fiadh, a type of site found in considerable numbers across Ireland and Britain. The general interpretation is that they functioned as outdoor cooking or heating sites: stones were heated in a fire, then dropped into a water-filled trough to bring it rapidly to the boil. The characteristic signature they leave behind is a low, often horseshoe-shaped mound of cracked and fire-reddened stone, mixed with charcoal-rich earth, which is precisely what was found at Laharan.

The site came to light before tree planting began in the area, when digging of a forest drain broke the surface and exposed the tell-tale material. Jacinta Kiely, who examined the find in 2000, recorded the heat-shattered stones and charcoal-enriched soil as consistent with a burnt mound, though the site is formally classed as a possible example rather than a confirmed one, given the limited exposure. No further ground disturbance was permitted in the surrounding area, and a buffer zone of fifteen metres was established to protect whatever may remain undisturbed beneath the forest floor.

The site now sits within a coniferous plantation, which both conceals and, in a practical sense, protects it. The tree roots and drainage works that prompted its discovery are also the kinds of activity most likely to disturb such deposits further, which is part of why the buffer zone matters. Visitors would find little visible from the surface, but the broader landscape of Cork contains many similar sites, and Laharan fits quietly into that pattern of prehistoric activity, a momentary glimpse of something much older caught in the course of entirely modern forestry work.