Enclosure, Ahacore, Co. Limerick
Co. Limerick |
Enclosures
Somewhere beneath the reclaimed grassland of Ahacore in County Limerick, a circular enclosure sits essentially invisible at ground level, betrayed only from the air.
It takes the particular alchemy of dry weather and a camera overhead to reveal it at all, appearing as a cropmark, the kind of subtle discolouration in growing vegetation that occurs when buried features affect how plants absorb moisture and nutrients above them. What emerges in aerial imagery is the outline of a roughly circular area with an external diameter of approximately 40 metres and an internal diameter of around 26 metres, the sort of dimensions consistent with an enclosed settlement or ritual site of prehistoric or early medieval origin, though the notes stop short of a definitive classification.
The site was recorded by Caimin O'Brien and uploaded to the record in June 2020, drawing on Digital Globe orthophotography taken between 2011 and 2013 as well as earlier Ordnance Survey Ireland aerial images. A Google Earth image captured on 25 March 2017 proved particularly revealing, showing not only the main enclosure but also a smaller circular cropmark approximately 15 metres to the east. This secondary feature is tentatively identified as a possible ditch-barrow, a low-profile funerary monument consisting of a central mound or flat area enclosed by a circular ditch, relatively rare in the Irish record and worth noting even as a possibility. Complicating the picture somewhat is a post-1700 field boundary running north to south directly across the enclosure, bisecting it and obscuring whatever remains survived into the agricultural era. The field system, in other words, was laid down without any apparent awareness of, or regard for, what lay beneath.
This is not a site with a visitor path or an interpretive panel. The enclosure is in working reclaimed grassland, and without specialist aerial or satellite imagery it would be essentially undetectable from the road. Those with an interest in landscape archaeology might consult the National Monuments Service record and compare the 2017 Google Earth imagery against the current terrain, particularly during dry spells in late spring or summer when cropmarks are most pronounced. The possible ditch-barrow to the east, logged under reference LI014-170, is worth keeping in mind as a distinct but related feature when reviewing the aerial evidence.
