Enclosure (Large), Garrane More, Co. Limerick

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Enclosures

Enclosure (Large), Garrane More, Co. Limerick

In a field of improved pasture on a north-facing slope in County Limerick, there is a monument that you cannot see.

No wall survives, no ditch, no upstanding stonework of any kind. When archaeologists from the Archaeological Survey of Ireland visited in 2008, they recorded the site as having no surface remains visible, though they noted slight linear undulations and low ridges rippling across the ground. The only way this enclosure has ever made itself properly known is from the air, and even then only under the right conditions.

The site sits in the townland of Garrane More, roughly 75 metres east of the boundary with the neighbouring townland of Nicker, and it does not appear on any Ordnance Survey historic maps. Its existence was first flagged through aerial photography, catalogued under the reference GSIAP R424, and it was the analysis of Ordnance Survey Ireland orthoimagery taken between 2005 and 2012 that finally revealed its shape with any clarity. In those images, a subrectangular cropmark appears, measuring approximately 110 metres on its northwest to southeast axis and 95 metres northeast to southwest, making it a substantial enclosure by any measure. Cropmarks of this kind form when buried ditches or banks alter the moisture content of the soil above them, causing the grass or crops growing there to respond differently, typically by browning or greening in ways that trace the buried outline below. By the time a Google Earth orthoimage was captured in November 2018, even that ghostly signature had disappeared, suggesting the mark is transient and highly sensitive to seasonal and weather conditions.

There is nothing to point a visitor towards this spot, and no formal access or waymarking. The enclosure lies on private agricultural land, and given that ground-level inspection in 2008 yielded almost nothing, the honest answer is that the monument rewards the desk researcher more than the field walker. Those with access to the OSi orthoimagery from the 2005 to 2012 period will find the cropmark more legible than anything visible on the ground. The record was compiled by Alison McQueen and Vera Rahilly and uploaded in September 2020, part of the quiet, ongoing work of documenting sites that have been levelled out of the landscape entirely, surviving only as faint signals in the right light, at the right time of year, read by someone looking down from above.

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