In a field near Christianstown in County Kildare, a circular feature roughly fifteen metres across betrays itself not through any standing stone or earthen mound, but through the colour of grass. The site is a probable ditch-barrow, a type of prehistoric funerary monument defined by a circular enclosing ditch, and it survives here only as a cropmark, visible from the air when differential soil moisture causes the vegetation above a buried ditch to grow or ripen at a slightly different rate to the surrounding ground. To a passing walker, the field looks entirely ordinary.

The feature came to light through aerial photography, with a Google Earth image captured on 28 June 2018 showing the circular cropmark with enough clarity to identify it as a likely barrow. The detail was brought to attention by Anthony Murphy, who has documented numerous similar sites across the Irish midlands and east through careful scrutiny of aerial and satellite imagery. At approximately fifteen metres in diameter, the feature falls within the typical size range for ditch-barrows of the Bronze Age, though without excavation the date and precise character of the monument remain provisional.