What makes it quietly strange is the gap between its apparent legibility on paper and its total inaccessibility on the ground. The enclosure was recorded on an Ordnance Survey six-inch map as far back as 1935, its roughly circular outline noted along with a slight flattening along the northern side, yet the afforestation that has since grown up around it has placed it beyond practical reach.

Enclosures of this general type, roughly circular earthen or stone boundaries often interpreted as ringforts, are among the most common field monuments in the Irish landscape, with tens of thousands recorded across the country. They served a range of purposes, from enclosed farmsteads and livestock management to more ceremonial functions, and most date broadly to the early medieval period, though some are older. The slight flattening on the northern arc at Knockananig is a small but potentially telling detail; irregularities in an otherwise circular plan can sometimes reflect the original topography, a builder's accommodation of a slope or rock outcrop, or later disturbance. Without access to the site, those questions remain open. The 1935 map capture means the enclosure was at least partially legible in the landscape at that point, before the forest closed over it.