This one does neither. The enclosure at Gurteen in County Tipperary sits on a north-east-facing slope of gently rising ground and remains entirely invisible at ground level, its form legible only from the air or through geophysical survey. That kind of absence is itself informative: it suggests a feature so thoroughly absorbed back into the land that centuries of farming have smoothed away whatever surface expression it once had.

What makes this site stranger still is its omission from the first edition six-inch Ordnance Survey map of 1840, a remarkably thorough document that captured field boundaries, ruined structures, and even minor earthworks across the Irish countryside. If an enclosure failed to appear on that survey, it was either already too faint to record or simply went unnoticed by the surveyors. An enclosure, in the general archaeological sense, is a defined area of ground enclosed by a bank, ditch, or wall, used variously for settlement, agriculture, or ritual depending on period and context. Whatever this one was built for, it had already retreated well below the surveyors' threshold of visibility by the mid-nineteenth century. A second enclosure site lies a short distance to the south, suggesting this corner of North Tipperary may once have supported a cluster of activity that the modern landscape gives no hint of.