The flat-topped mound measures 35 metres across and rises 4.5 metres high, its perimeter still crowned with mature trees that give it a distinctive silhouette against the rolling countryside. When first mapped by the Ordnance Survey in 1838, cartographers noted a circular mound surrounded by trees with traces of a defensive ditch, or fosse, running from the east through south to the southwest; by the time the maps were revised in 1908, only a section on the southeast side remained visible, suggesting the rest had been deliberately filled in.

The site’s true origins remain debatable amongst historians. Whilst it bears the classic appearance of a Norman motte, the typical earthwork castle mounds built by Anglo-Norman invaders in the 12th and 13th centuries, it conspicuously lacks the usual defensive features one would expect, such as a bailey or clear fortifications. The Ordnance Survey Field Name Books from 1838-40 recorded two “moats or enclosures of plantations” north of Moatland Cottage, noting these features likely gave the cottage its name. Local historian Cunningham has suggested the earthwork might predate the Norman period entirely, possibly serving as an ancient burial mound or early Irish fortification before any medieval reuse.

Today, the mound stands as an intriguing landscape feature, its defensive ditch long since filled and its martial purpose, if it ever had one, lost to memory. The trees planted around its perimeter, possibly by the occupants of nearby Moatland Cottage as a decorative garden feature, have transformed what might have been a military stronghold into a peaceful woodland crown overlooking the Offaly countryside. Whether Norman motte, prehistoric burial site, or early Irish fort, this enigmatic earthwork continues to guard its secrets whilst offering visitors a tangible link to the layers of history that have shaped this corner of Ireland.