The site sits in open pasture with a river flowing north to south at the base of the slope, providing what would have been a natural defensive boundary along its eastern edge. Historical maps from 1903-04 show this as a roughly rectangular fortified area, originally defined by a scarp and fosse (defensive ditch) along its southern and western sides, with the river completing the protective perimeter.

The monument has seen better days; according to local records compiled by Barry in 1977, the site was significantly levelled in 1973, erasing much of its original character. Despite this destruction, traces of the past remain visible to those who know where to look. The northern, eastern and partial southern boundaries can still be made out, marked by a low scarp that varies between 1.4 and 2.7 metres in width and rises about 0.2 metres above the surrounding ground. The defended area measures approximately 32 metres from north to south, and stones occasionally protrude from the surface along the northern edge and within the interior, hinting at more substantial structures that once stood here.

According to the landowner, the site was once more impressive, with a bank and fosse that fully enclosed the monument. These earthwork defences were typical of moated sites across medieval Ireland, which served as fortified homesteads for Anglo-Norman settlers and Gaelicised families from the 13th century onwards. While much has been lost to agricultural improvements, what remains at Moglass still tells the story of a time when even rural dwellings needed substantial defences against raids and local conflicts.