What was once a complete circle, roughly 18 metres across, has been sliced through on its southern side by a field boundary running east to west. The result is a D-shaped enclosure, retaining its original east-west diameter but shortened to around 15.5 metres north to south, its southern arc simply gone, absorbed into the logic of a later agricultural landscape.

Ringforts, known in Irish as raths when defined primarily by an earthen bank and ditch, were the most common form of enclosed settlement in early medieval Ireland, typically dating from around the sixth to the tenth century. They housed farming families, their livestock, and their daily lives within a raised perimeter that offered a degree of protection and marked out a defined domestic space. The Cloonlahard East example sits atop a low rise, a positioning entirely typical of the type, with streams running northward on two sides, the two waterways meeting a short distance to the north of the site. That kind of natural boundary, combining elevated ground with nearby water, would have made the location practical as well as defensible. The surviving portion is defined by a scarped edge, meaning the ground drops away sharply at the perimeter, running from the south-west around to the south-east. This edge stands around 0.75 metres high and extends some 3 metres in width, enough to give a clear sense of the original bank even where the southern arc has been lost. The site was recorded and compiled by Denis Power.

The interior, level underfoot and covered in tall grass, gives little away beyond its dimensions. Visitors approaching across the surrounding pasture will first notice the slight elevation of the rise itself before the scarped edge becomes apparent close up. The D-shape only really reads clearly once you are standing inside or walking the surviving perimeter arc. Because the site sits in working farmland, access would require permission from the landowner, and the ground is likely to be wet in cooler months given the proximity of the two streams. There is nothing dramatically visible here, no masonry, no obvious monument, but the geometry of what remains, half a circle preserved in grass and sloped earth, quietly documents how early medieval boundaries and modern field systems have pulled against each other across the same piece of ground.