Enclosure, Ballyhurst, Co. Limerick
Co. Limerick |
Enclosures
There is an enclosure in Ballyhurst, County Limerick, that you cannot see.
Standing in the low-lying, poorly drained rough pasture where it lies, surrounded by land drains and watercourses, there is nothing on the ground to indicate that anything of archaeological significance is present at all. No earthwork rises from the grass. No stone breaks the surface. The monument exists, for all practical purposes, only as a photograph taken from the air in 1986.
That photograph, captured during the Bruff aerial photographic survey and catalogued as Bruff 160 (AP 4/3677), revealed a penannular-shaped cropmark, meaning a nearly complete ring shape, broken at one point, visible only because the buried remains of the enclosure affect how the grass above it grows, producing a subtle difference in colour and vigour that becomes legible only from altitude under the right conditions. Cropmarks of this kind are a common means by which archaeologists identify buried or levelled sites across Ireland, particularly in areas that have been intensively farmed. This enclosure does not appear on any of the Ordnance Survey Ireland historic maps of the area, suggesting it had already been reduced to nothing at ground level before systematic mapping began. By the time aerial orthophotography became available, it had vanished from that record too. The monument is not visible on the OSi orthophoto taken between 2011 and 2015, nor on a Google Earth image from 25 March 2017. Two related enclosures, recorded separately, lie approximately 70 metres to the east and 75 metres to the south-east, hinting that this was once a more populated landscape than its current appearance suggests.
The site sits immediately north of the townland boundary with Ballynaclogh, in terrain that remains rough and wet. For anyone curious enough to visit, there is genuinely little to observe on the ground, and the land drains and watercourses make the going uneven and soft underfoot. The value here is conceptual as much as physical: knowing that the field you are standing in once contained a structure significant enough to leave a trace in the soil, and that this trace revealed itself only once, briefly, to a camera in an aircraft four decades ago.