This ditch barrow at Lissard in Co. Limerick is one of those monuments that requires a satellite rather than a pair of boots to fully appreciate. What the eye cannot detect at ground level, the camera lens above resolves into a crisp circular cropmark roughly seven metres across, the faint signature of a prehistoric burial monument whose encircling ditch influences soil moisture enough to leave its mark on the vegetation above, even when every trace of raised earthwork has long since been ploughed or grazed away.

The monument belongs to a remarkably dense cluster of funerary monuments in this part of Limerick. It is one of fourteen barrows recorded in the immediate group, situated to the north of a barrow cemetery containing at least twenty-six further examples, with an enclosure lying approximately eighty metres to the west. A ditch barrow, in simple terms, is a low burial mound defined by a surrounding ditch rather than an upstanding bank, and such monuments are typically associated with the Bronze Age or earlier prehistoric periods in Ireland. Despite this concentration of monuments in the landscape, the site does not appear on Ordnance Survey Ireland historic maps, and it was the archaeologist Seán P. Ó Ríordáin who first formally identified it in 1936, recording it as part of a cluster he surveyed in the area. The field boundary running approximately twenty metres to the south of the monument dates to after 1700, suggesting the surrounding land has been actively managed for agricultural use for centuries, which explains much of the surface erasure.

The surrounding land is reclaimed pasture, which means access is likely to require landowner permission and a tolerance for uneven ground. There is little to see on foot; a Digital Globe image taken between 2011 and 2013 showed no surface remains whatsoever. The monument is best understood through the Google Earth orthoimage from November 2018, where the circular cropmark is clearly legible. Cropmarks of this kind tend to show most sharply during dry summers when differential water retention in disturbed soils affects grass colour and growth rate, so late summer aerial or satellite imagery offers the clearest view of what lies beneath the pasture.