No ridge, no shadow, no earthwork betrays it. The only record of its physical presence above ground is a small circular hachured mound marked on an Ordnance Survey six-inch map from 1940, and even that trace has since been levelled by agricultural improvement.

A fulacht fia, sometimes called a fulacht fiadh, is among the most common prehistoric monument types in Ireland, yet also one of the least understood in terms of its precise social function. The basic form is a horseshoe-shaped mound of fire-cracked stone surrounding a trough, thought to have been used for heating water, either for cooking, bathing, textile processing, or some combination of purposes. Most date to the Bronze Age, roughly between 1500 and 500 BC. What makes the Liskillea example quietly notable is less what it is than what it has for company: a second fulacht fiadh lies approximately fifty metres to the north-east. The pairing suggests that this low-lying corner of east Cork saw repeated or sustained activity over time, with communities returning to the same general area and establishing what amounts to a cluster of these sites.