No earthworks break the surface, no walls or ridges catch the eye, and the site does not appear on any Ordnance Survey historic maps. What is known about this field system at Ballyphilip exists almost entirely because of what aircraft cameras have occasionally caught, under the right conditions, from several hundred feet above.

Cropmarks, the faint differential growth patterns in crops or grass that betray buried features beneath the soil, first revealed the site during the Bruff aerial photographic survey in 1986. That survey recorded at least six intersecting linear and slightly curvilinear-shaped marks, running in multiple orientations, NE-SW and NW-SE, as well as N-S and E-W, across an area of at least 20 hectares. The marks, stretching approximately 400 metres, suggest a complex and organised system of boundaries or land divisions, though their precise date and function remain unconfirmed. Later aerial orthoimages taken between 2005 and 2013, including surveys by Ordnance Survey Ireland and Digital Globe, confirmed the anomalies were still visible under suitable conditions. By contrast, a Google Earth image captured in June 2018 showed nothing at all, a reminder of how temperamental cropmark evidence can be, depending on rainfall, soil moisture, and the time of year. Adding to the site's complexity, a large cluster of ring-barrows, circular burial mounds of the kind commonly associated with Bronze Age funerary practice, has been recorded in the southern part of the same area, suggesting a long history of human activity across this ground.

The site sits in pastureland cut through with land drains and watercourses, and there is nothing at ground level to distinguish it from the surrounding fields. Visiting is less about seeing something and more about standing over something, knowing that the evidence for what lies below has appeared and disappeared repeatedly depending on season, weather, and the angle of the sun on a given morning. The aerial survey references, particularly Bruff 261.12, are the most direct way to understand the layout of what has been recorded. The wet, low-lying nature of the terrain makes the cropmark evidence especially sensitive to seasonal variation, so imagery captured in dry summer conditions, when soil moisture differences are at their most pronounced, has historically offered the clearest picture.