This one, a possible enclosure in the townland of Crean in the Smallcounty Barony of County Limerick, does the opposite. It sits in ordinary pasture on a gentle north-facing slope, visible from the road, and offers absolutely nothing to the naked eye. No raised bank, no crop mark in a dry summer, no scatter of stone. It exists, as far as the record is concerned, almost entirely as a shape on a photograph.

The site came to light in November 1984, when aerial photographs were taken during survey work for the Bórd Gáis Éireann Curraghleigh to Limerick gas pipeline. Infrastructure projects of this kind, whatever else they disturb, have historically been useful to archaeologists, forcing systematic examination of ground that might otherwise go unrecorded for generations. The pipeline photographs, shot at a scale of 1:50,000, revealed enough of a pattern in the landscape at this location to warrant registering it as a possible enclosure, given the site number 031185. An enclosure in this context typically refers to a defined area bounded by a bank, ditch, or wall, often associated with early medieval settlement or agricultural activity, though without further investigation the function here remains entirely speculative. When Ordnance Survey Ireland orthophotography was later reviewed, covering the period between 2005 and 2012, nothing was visible. A ground survey carried out in 2007 confirmed the same: no surface remains of any kind.

The site lies roughly 80 metres east of a local road and is in private agricultural land, so there is no practical reason to visit in search of anything to see. The record, compiled by Fiona Rooney and uploaded to the Sites and Monuments Record in March 2021, is candid about the uncertainty involved. What the entry actually documents is less a place than a methodological moment, the point at which something glimpsed in a decades-old pipeline survey was formally acknowledged as possibly significant, even as the ground itself refuses to confirm it.