At the northern end of a ridge within Garbally Demesne in County Galway, an enclosure once occupied a commanding position on the landscape, its subcircular outline measuring roughly thirty metres north to south and twenty metres east to west. Today, nothing of it remains above ground. No earthwork, no hollowed boundary, no faint rise in the grass to suggest that anything was ever here at all.

What we know comes from a single cartographic moment: the third edition of the Ordnance Survey six-inch map, published in 1946, where the enclosure was recorded and its shape noted. Subcircular enclosures of this kind are a familiar feature of the Irish archaeological record, often interpreted as the remains of early medieval ringforts, which functioned as enclosed farmsteads for a single family or household, their circular banks and ditches serving as much for status and boundary-marking as for defence. Whether this example at Garbally ever carried such a domestic history is impossible to say now. What the map captured, and what the ground no longer confirms, is the outline of something that was already fading by the mid-twentieth century, reduced to a shape legible only from the surveyor's measured observation rather than any physical presence.