At Templemichael in County Cork, what was once a circular earthwork enclosure, a rath, has been reduced to near nothing, yet its outline persisted long enough to be absorbed into the working landscape around it. A rath is a type of early medieval farmstead, typically enclosed by one or more earthen banks and ditches, and thousands of them once dotted the Irish countryside. This one measured roughly twenty metres in diameter, a modest but not unusual size, and by the time the first Ordnance Survey teams mapped the area in 1842 it was already recorded only as a semicircular enclosure rather than a fully intact monument.

The story of its slow erasure can be traced through successive Ordnance Survey six-inch maps. The 1842 map shows the semicircular form clearly enough, but by the editions of 1902 and 1935 all that registers is a curve in a field boundary running roughly west-northwest to east-southeast. The enclosure had been levelled, its banks pushed flat, but the line of it was practical enough to be kept as a field division, which is how these things sometimes survive. Today even that boundary has largely gone, leaving only faint traces on the ground. A short distance to the north, a standing stone has been recorded separately, a solitary upright that predates the rath and hints at a longer sequence of human attention paid to this patch of pasture.

The site sits in ordinary farmland and offers little to the casual eye. What makes it worth knowing about is less what remains than what the maps reveal: a place caught in the act of disappearing, documented at each stage of its going.