The rath at Ballycahane is the kind of monument that rewards patience: an oval earthwork, modest in height, that has been grazed over and partially overgrown for generations, yet remains legible enough in the landscape to have been formally surveyed and mapped.

A rath, also known as a ringfort, is a roughly circular or oval enclosure defined by an earthen bank and an outer ditch, most commonly built during the early medieval period as a farmstead or defended homestead. The Ballycahane example was surveyed by the Archaeological Survey of Ireland in 2000, when it was recorded as an oval area measuring 18 metres north to south and 22.4 metres east to west. Its defining feature is a scarped edge, meaning a slope cut or worn into the ground, running to about half a metre in height and three metres in width, with an external fosse, the surrounding ditch, surviving to a depth of around 0.3 metres and visible along the eastern, south-eastern, south-western, and western arcs of the monument. The interior is not flat; it slopes gently toward the east. Two further enclosures recorded separately in the Sites and Monuments Record lie close by, one approximately 40 metres to the south-west, another about 50 metres to the south-east, suggesting this was an area of some sustained early settlement activity rather than an isolated farmstead.

On the ground, the monument sits in working agricultural land, and its outlines are only partially visible through vegetation. Relict field drains intersect the southern side, which can confuse a first reading of the earthwork's shape. The clearest sense of the monument's form, particularly its oval outline and surviving ditch sections, comes from aerial imagery; a Google Earth orthoimage taken in June 2020 shows the partially overgrown outline with reasonable clarity. Anyone visiting should expect subtle rather than dramatic remains, and should look especially toward the eastern and south-western arcs for the best-preserved traces of the fosse. The surrounding pasture rolls gently, giving moderate views across the countryside in most directions, which may itself have informed the original choice of this slightly elevated position.