They are so subtle that several of them have effectively vanished from satellite imagery since they were first recorded, and one is no longer detectable at all on Digital Globe orthophotos taken between 2011 and 2013. A barrow, in this context, is a prehistoric burial mound, typically a rounded earthen heap raised over one or more interments. What makes this group at Skool quietly arresting is less any single mound than the arrangement: three of the five are roughly aligned on a northwest to southeast axis, a pattern that hints at deliberate placement in a landscape that has since been drained, partially reclaimed, and reduced to rushy pasture.

The five mounds were recorded together as feature G01F003 during a LiDAR survey carried out by Ella Motherway in 2012. LiDAR, which uses laser pulses fired from aircraft to build precise elevation models of the ground surface, is particularly useful in low-relief terrain like this, where the human eye and even conventional aerial photography can miss subtle undulations. Four of the possible barrows, catalogued as LI022-258, -259, -260, and -261, were visible on Ordnance Survey Ireland orthophotos taken between 2005 and 2012. The fifth, LI022-262, lies to the south of the main grouping. A post-1700 drainage channel to the west of the mounds shows up as a cropmark on aerial photographs and on the revised edition of the OS six-inch map, a reminder that the hydrology of the area has been substantially altered over centuries. The Camoge River itself, flowing north to south immediately to the east, would once have run closer to the mounds than it does today.

The site sits on poorly drained pasture, and any visit outside the drier summer months is likely to involve wet ground underfoot. Because the mounds are so low, and because at least one appears to have been further reduced since it was first recorded, there is little to see without prior knowledge of where to look. The LiDAR plot produced by Motherway, referenced in the 2012 survey report, gives the clearest sense of the spatial relationship between the five features. The record was compiled by Caimin O'Brien, drawing on details provided by Sarah McCutcheon and Ella Motherway, and uploaded in April 2020.