What remains is a grass-covered spread of burnt material, the faint residue of a fulacht fia, one of the most common yet least understood monument types in the Irish archaeological record. These sites, found in their thousands across Ireland, are typically low horseshoe-shaped mounds of fire-cracked stone and charcoal-blackened earth, thought to represent places where water was repeatedly heated by dropping stones from a fire directly into a trough. They are associated broadly with the Bronze Age, though the activities they served, whether cooking, bathing, craft work, or something else entirely, remain a matter of ongoing debate among archaeologists.

The Lisheenowen example was already compromised by the time it came to be formally recorded. According to local information, the mound was levelled around 1976, leaving only the spread of burnt material that sits quietly beneath the grass today. The setting in reclaimed marshy ground is typical; fulachtaí fia are frequently found in low-lying, wet areas, close to a water source, which would have been essential to their function. That the ground here was once marshy, and was subsequently reclaimed for agricultural use, goes some way to explaining how a monument of this kind could be quietly removed without wider notice.