It appears on the 1897 edition of the Ordnance Survey Ireland 25-inch map as an unenclosed circle of trees, suggesting it was a deliberate ornamental feature of the landscape rather than anything that grew by accident. What it actually represents, however, has proven surprisingly difficult to pin down.

The ring sits within what was the former demesne of Massy Lodge, a country estate located roughly 500 metres to the east. Demesne landscapes of this kind were frequently planted with decorative tree features, avenues, and specimen circles during the eighteenth and nineteenth centuries, designed as much for aesthetic effect as for any practical purpose. That origin seemed the straightforward explanation until aerial photographs taken on 3 November 1984, as part of survey work for the Bórd Gáis Éireann Curraleigh West-Limerick gas pipeline, introduced a complication. Analysts reviewing those photographs flagged the feature as a possible ring-barrow, a type of prehistoric funerary monument consisting of a low circular mound or bank, often surrounded by a ditch, dating typically to the Bronze Age. Whether the trees were planted over a pre-existing earthwork, or whether the circular form simply mimicked one convincingly from the air, the records do not resolve. Crucially, no antiquity has ever been marked at this location on any edition of the Ordnance Survey maps, which tends to argue against a confirmed archaeological identification.

By the time satellite imagery from Digital Globe was captured between 2011 and 2013, no surface remains were visible, and more recent Google Earth orthoimages tell the same story. The trees themselves may no longer form the same clear ring that the 1897 map recorded, and the pasture shows no obvious earthwork beneath. A visitor approaching from the direction of Anglesborough would be looking for a field boundary or a loose grouping of mature trees rather than anything dramatically circular. The ambiguity is, in a sense, the point: a feature recorded as designed landscape, suspected briefly of being prehistoric, and now leaving almost no trace either way.