No mound breaks the grass, no depression marks the soil, and a person walking across it today would have no reason to suspect anything lay underfoot. What makes the spot faintly eerie is how precisely it was once recorded: a 1943 Ordnance Survey six-inch map shows a mound here, which means within living memory there was still something to see. Whatever remained above ground has since been levelled by agriculture.

The site is a fulacht fia, a type of monument found in enormous numbers across Ireland, particularly in low-lying or waterside ground. The basic principle involves a trough, usually timber-lined or stone-lined, filled with water, into which fire-heated stones were dropped to bring the water to a boil. The shattered, fire-cracked stones were raked out and piled nearby, forming the characteristic horseshoe-shaped mound that survives at so many other sites. What these features were used for is still debated, with cooking the most widely accepted explanation, though possibilities ranging from bathing to textile processing have also been argued. At Knockaneroe, the site does not sit in isolation: a second fulacht fia of the same type lies roughly ten metres away, suggesting this small area of Mid Cork saw repeated or coordinated use during prehistory. Paired or clustered fulachta fiadh are not unheard of, and their proximity here hints at deliberate choice of location rather than coincidence.