That deliberate raising of the ground on the western side is one of those small details that makes an early medieval ringfort worth pausing over: someone, more than a thousand years ago, moved significant amounts of earth not just to enclose a settlement but to make it functional and comfortable on uneven terrain.

Ringforts, sometimes called raths, were the most common form of rural settlement in early medieval Ireland, typically enclosing a farmstead with one or more earthen banks and ditches. At Lackendarragh, the main enclosure measures roughly 38 metres north to south, bounded by an earthen bank and an external fosse, which is simply a ditch dug to reinforce the defensive effect of the bank. The scarp, a natural or cut slope, rises to around 2.7 metres on parts of the circuit, while a stream runs in a deep drain along the northern edge. What complicates the picture here is the field boundary that skirts the eastern and southern sides, rising to about 1.3 metres. This boundary may not be merely agricultural; it could incorporate the remnants of a second outer bank, which would make this a double-ramparted fort. That interpretation is supported by a note from Bowman, writing in 1934, who recorded a double-ramparted fort of 37 yards diameter in this townland, with roughly one-third of the outer circuit already levelled by his time. Both the 1842 and 1904 Ordnance Survey six-inch maps marked the feature with hachures indicating a bank, lending some cartographic weight to the theory. Inside the enclosure, there is also a souterrain, an underground stone-lined passage, the kind of subterranean feature found in many ringforts and thought to have served for storage, refuge, or both.