It was not recorded, labelled, or otherwise acknowledged by the cartographers who methodically documented the Irish landscape over more than a century of surveying. The earthwork at Kilcullane came to light only in 1986, when aerial photography carried out as part of the Bruff aerial photographic survey caught its outline from above, revealing a linear feature roughly 90 metres long and 8 metres wide, oriented northwest to southeast along the spine of its ridge.

The ridge itself sits in rough, wet pasture on the floodplain of the Camoge River, which runs approximately 265 metres to the east-northeast. The ground is cut through by land drains and watercourses, the kind of wet, marginal terrain that tends to discourage close inspection on foot and helps explain why the feature went unrecorded for so long. Immediately to the east, on the same ridge, lie three contiguous barrows, a barrow being a mounded prehistoric burial monument, recorded together under the references LI032-232001 through to 004. The townland boundary with Ragamus passes just 35 metres to the west-southwest. Whether the earthwork relates to those burial mounds, to the boundary line, or to some entirely separate phase of activity is not established. Subsequent satellite and ortho-imagery, including captures from 2005 to 2013 across several platforms, has confirmed the feature's dimensions and alignment, but its date and function remain unassigned.

Access to the site is complicated by its setting. The surrounding pasture is wet and cut by drainage channels, so the ground underfoot is unreliable, particularly in the wetter months. The earthwork is not signposted and sits on private farmland, so any visit would require landowner permission. The feature is most legible from aerial imagery rather than at ground level, where the low relief of the ridge makes it easy to walk past without noticing anything at all. Those with an interest in the broader landscape might also look eastward along the ridge toward the associated barrow group, which adds a further layer of prehistory to what is already an unusually dense corner of the Kilcullane townland.