Is it an early medieval ringfort, the kind of circular enclosed settlement that dots the Irish countryside in its thousands, defined by a raised bank and sometimes a fosse, the external ditch that would once have reinforced its defences? Or is it something altogether more deliberate and decorative, a tree-ring planted by a Georgian landowner to give his demesne a suitably ancient and romantic air? The honest answer, even now, is that no one is certain.

The 1837 Ordnance Survey Fair Plan map labels the feature simply as "Fort", which might seem to settle the matter, but the same era's six-inch map shows it as a roughly circular tree-planted earthwork, which raises the possibility that whoever named it was already looking at something that had been embellished or obscured by later landscaping. When the monument was described in 1983, surveyors found a circular area of approximately 28 metres in diameter, its scarp, the sloping edge of the earthwork, reasonably visible on the northern and eastern sides but fading to almost nothing on the south and west. There is no fosse, and the interior holds no discernible features. Dorrington House stands roughly 90 metres to the south, and the whole arrangement fits a pattern familiar from eighteenth and nineteenth-century demesne design, where landowners occasionally planted trees on existing earthworks, or constructed new mounds and rings to evoke antiquity as part of their landscaping schemes. The earthwork may be a genuine ringfort that was later repurposed as a tree-ring, or it may have been created from scratch after 1700 with no prehistoric origins at all.

What persists is an oval-shaped earthwork visible in aerial photographs, sitting quietly above the parkland, carrying an ambiguity that no map annotation has managed to resolve.