Earthwork, Ballynatona, Co. Limerick

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Ritual/Ceremonial

Earthwork, Ballynatona, Co. Limerick

A field in Ballynatona, County Limerick holds something that is easier to see from satellite imagery than from standing in it.

What was once a raised earthwork enclosure, clearly recorded on Ordnance Survey maps in both 1840 and 1897, has been so thoroughly levelled that by the early 2010s no trace of it remained visible on the ground. Yet in November 2018, a Google Earth orthoimage revealed the whole thing again, rendered as a circular cropmark roughly 25 metres in diameter, the ghost of a structure pressing up through the grass in the differential growth that betrays buried archaeology.

The monument sits in pasture approximately 95 metres west of the townland boundary with Garrynalyna, with a separate enclosure recorded a short distance to the north-west. The 1840 six-inch Ordnance Survey map depicts it as a raised circular area defined by a scarp, which is a slope or steep edge formed by the original digging and mounding of the earthwork. By the time the more detailed 25-inch map was produced in 1897, surveyors recorded an oval-shaped platform, approximately 25 metres on its longer north-west to south-east axis and around 20 metres across, still defined by a scarp and with a fosse, essentially a ditch, running around the north-western to north-eastern arc. A field boundary running north-east to south-west had already bisected the northern end of the monument by that point, and was noted as post-1700 in origin, suggesting the enclosure had already begun to be absorbed into the working agricultural landscape before the twentieth century finished the job entirely. The record was compiled by Fiona Rooney and uploaded to the national database in October 2021.

There is nothing to see at ground level, and that is rather the point. The site sits in ordinary grazing land, and a visitor walking the area would find no visible mound, ditch, or earthen bank remaining. The cropmark that reappeared in the 2018 satellite image is the kind of feature best appreciated through the publicly accessible Google Earth archive rather than a site visit. If you do go looking, the townland boundary with Garrynalyna provides the most useful locating reference, placing the site just under 100 metres to the west. The clearest view remains the one taken from above, on a dry autumn day when soil moisture differences between disturbed and undisturbed ground bring the old outline back into brief visibility.

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