Barrow (Ditch barrow), Tullyleak, Co. Limerick
Co. Limerick |
Barrows
In a field of partially reclaimed pasture in Tullyleak, County Limerick, a prehistoric burial monument lay unrecorded on any Ordnance Survey historic map until satellite imagery quietly gave it away.
The site is a ditch-barrow, a type of funerary mound typically consisting of a raised earthen mound encircled by a surrounding ditch, and it sat unacknowledged in the archaeological record for a very long time indeed. What finally brought it to attention was not excavation or fieldwork in the traditional sense, but a careful reading of aerial and satellite photographs.
Archaeologist Christina O'Regan identified the feature as a barrow in 2010, and subsequent Digital Globe orthoimagery taken between 2011 and 2013 confirmed a raised circular area roughly 17 metres in diameter. By August 2021, a Google Earth image captured it again, this time as a circular cropmark, the kind of ghostly outline that appears in dry summers when buried ditches or disturbed soils cause overlying crops or grasses to grow differently from their surroundings. The site was compiled into the record by Martin Fitzpatrick and uploaded in September 2021. It is not alone in the landscape: two related ditch-barrows sit close by, one approximately 25 metres to the northwest and another around 25 metres to the north, forming a loose cluster of monuments near a stream that marks the townland boundary with Fantstown.
The site lies 75 metres south of that boundary stream, within what the record describes as partially reclaimed pasture, which means the land has been worked over to some degree but retains traces of its older character. Because the monument does not appear on the historic six-inch Ordnance Survey maps, there are no traditional cartographic breadcrumbs to follow. The most reliable way to locate the general area is through satellite imagery, where the circular cropmark, particularly visible in the August 2021 Google Earth image, gives the clearest indication of what lies beneath the grass. Cropmarks of this kind tend to be most legible during dry spells in summer, when the contrast between disturbed and undisturbed ground becomes pronounced from above.