On a west-facing slope near the village of Mountgarrett, the only sign of it now is a patch of ground that holds moisture a little longer than the earth around it, a slightly wetter area where something older once surfaced. If you did not know to look, you would walk past it without a thought.

The well appears by name on both the 1839 and 1840 editions of the Ordnance Survey six-inch map, rendered in gothic script, the style conventionally used on those maps to denote antiquities and features of historical note. That choice of lettering was deliberate; it placed the well in the same visual category as ruins and ancient remains, suggesting it was already regarded as something with a past rather than merely a functional water source. Approximately seventy-five metres to the north-east stands Mountgarrett Castle, and the well almost certainly takes its name from that association. Castle wells of this kind were commonly associated with tower houses or fortified residences, serving the household and sometimes carrying the symbolic weight of a water source tied to the lord of the place. Whether this one predates the castle, or was simply named in relation to it, the surviving record does not say.