Enclosure, Camas, Co. Limerick
Co. Limerick |
Enclosures
In a wet Co. Limerick field, liable to flooding and unremarkable to any passing eye, something circular lies beneath the grass.
There is no mound, no earthwork, no stone to stub a toe on. The only way anyone has ever seen this enclosure is from above, and even then, only under the right conditions, at the right time of year, in the right light.
The site in the townland of Camas came to light not through any archaeological survey but as a side-effect of infrastructure. When Bórd Gáis Éireann commissioned aerial photography along the route of the Curraghleigh to West Limerick gas pipeline, the resulting images, taken on 3 November 1984 at a scale of 1:5000, captured more than the pipeline corridor. Photograph BGE 1:5000 No. 48 revealed the faint outline of what appeared to be an enclosure, the kind of roughly circular enclosed space that occurs widely across the Irish landscape in the form of ringforts and similar early settlement features. The site does not appear on any historic Ordnance Survey Ireland maps, which suggests it had already lost whatever above-ground form it once held long before the first detailed mapping of the countryside. A second enclosure, recorded separately as LI031-155, lies around 200 metres to the north-west, placing this part of Camas within a broader pattern of early activity in the area. The site sits approximately 150 metres west of a watercourse that marks the townland boundary with Ballybane. By the time orthophotography was carried out by Ordnance Survey Ireland between 2005 and 2012, nothing was visible at the surface. It reappeared, briefly, as a circular cropmark on a Google Earth image dated 20 September 2020, compiled into the record by Martin Fitzpatrick and uploaded in March 2021.
Cropmarks appear when buried features, walls, ditches, or pits alter how soil retains moisture and nutrients, causing the vegetation above them to grow differently from the surrounding ground, differences that become visible from altitude, particularly in dry summers when contrast is sharpest. There is nothing to see at ground level here, and the wet, flood-prone pasture makes access uninviting in any season. The value of a site like this lies less in a visit than in what its existence suggests: that the landscape of this part of Limerick was shaped and occupied in ways that left almost no trace above ground, and that the record of that occupation depends entirely on a chance photograph taken during a gas pipeline survey nearly forty years ago.