The site occupies a strategic position beside the main road from Clonmel to Callen, which runs along its eastern edge. Though now heavily overgrown with brambles and planted with conifers that make the interior inaccessible, the earthwork still shows clear defensive features including a scarp that rises to 2.8 metres in height. Historical maps from the 25-inch Ordnance Survey indicate the monument originally measured approximately 38 metres north to south and 56 metres northeast to southeast, though the eastern portion was later truncated when the adjacent road was realigned.

The site’s local significance is reflected in its traditional Irish name, ‘An Dún’, meaning ‘The Fort’. Writing in 1908, the historian Power described it as a natural mound beside the road, topped with the remains of what seemed to be a rath-type earthwork. However, the monument’s location suggests a more specific purpose than a typical ringfort. Its position commanding a routeway through a natural pass, combined with the defensive advantages of its topography, points to this being a medieval earthwork castle rather than an earlier Irish fortification.

Today, while the dense vegetation prevents detailed examination of the interior, the surviving earthworks still demonstrate the strategic importance of this location. The combination of natural defences provided by the river and the constructed earthen banks would have made this a formidable defensive position, controlling movement through this part of south Tipperary during the medieval period.