At roughly ten metres across, it is not a grand fortification but rather the kind of modest enclosure, likely a ringfort or related early medieval settlement feature, that once served as a farmstead boundary or place of local significance. These enclosures were typically built from earth and stone to define a domestic space, offering some measure of protection for a family and their livestock.

What makes this particular site quietly interesting is the paper trail left by nineteenth-century cartographers. The Ordnance Survey's six-inch map of 1842 records the spot under the name Lissaghaun, a placename derived from the Irish lios, meaning a ringfort or enclosure, and the diminutive suffix suggesting something small or modest. By the time the revised six-inch map appeared in 1902, the same location was marked as Lissaghaun "site of", a small but telling editorial change indicating that even by the turn of the twentieth century the structure was considered degraded or lost rather than extant. Within sixty years of its first cartographic appearance, the site had effectively been demoted from a place to a memory of one.

Today the enclosure is inaccessible due to dense overgrowth, which means the vegetation has, in its own way, become a kind of accidental preservation. There is no easy path in, and nothing to see at ground level from the bank of the Ilen. The most a visitor can do is consult those old OS maps and note the quiet distance between a named place and a place whose name is all that remains.