Earthwork, Ballynagoul, Co. Limerick
Co. Limerick |
Ritual/Ceremonial
Somewhere in the flat, reclaimed grassland of south County Limerick, about 120 metres east of the Glen stream and half a kilometre southeast of where the Loobagh and Maigue rivers meet, a pair of conjoined earthworks sits quietly in poorly drained ground.
The overall form is a figure-of-eight, two enclosures pressed together across a span of roughly 35 metres, and the whole thing appears on no Ordnance Survey map. The straight post-medieval hedgerows that divide the surrounding fields take no notice of it whatsoever, cutting across the landscape as though the earthwork simply does not exist. That absence from the cartographic record, combined with its clear visibility on aerial and satellite imagery from as recently as 2021, gives the site an oddly contradictory quality: legible from above, unrecorded in ink.
The earthwork comprises two distinct but adjoining elements. To the south, a raised sub-rectangular area roughly 12 metres across and about 0.4 metres high is defined by a low bank and an external fosse, a shallow ditch, approximately 1.5 metres wide. To the north, a larger and more oval-shaped enclosure, measuring around 17 by 14.5 metres, is bounded by its own low bank. Satellite imagery initially suggested the southern enclosure was circular, but field inspection by Dr. Eugene Costello, whose observations and photographs underpin the record compiled by Caimin O'Brien in February 2022, confirmed it to be closer to sub-rectangular. The function of the site remains uncertain. However, curvilinear enclosures and figure-of-eight arrangements of this kind are well-attested in early medieval Irish contexts, where they are associated with habitation and enclosure activity, suggesting the earthwork may be a remnant of pre-modern settlement, perhaps dating to somewhere in the first millennium or early second millennium AD. There is also evidence that someone attempted, at some point in modern times, to drain the ditches surrounding the site, which may partly explain why traces are faint.
Accessing this kind of low-relief earthwork requires patience and a willingness to read the ground carefully. The site sits on land that has been reclaimed from poorly drained soil, and dense rushes, the tall, tufted plants that colonise wet and boggy ground, make the smaller southern enclosure particularly difficult to see at close quarters and harder still to photograph. The enclosure outlines show most clearly in aerial or satellite views, so consulting Google Earth or the Ordnance Survey Ireland orthoimage archive before visiting will give a useful mental map. On the ground, the best approach is to look for subtle changes in relief, the low banks rising only 0.3 to 0.4 metres above the surrounding field surface. Late winter or early spring, before rush growth thickens, is likely to offer the clearest ground-level visibility of what remains.
