It leaves almost no trace that a casual walker would notice, yet its outline was considered significant enough to be recorded in one of the most authoritative cartographic surveys of early Irish urban history.

The evidence for this site comes from the map accompanying the Irish Historic Towns Atlas, volume eleven, which covers Dublin up to the year 1610. Published as part of a long-running Royal Irish Academy series, the Atlas reconstructs the physical form of Irish towns in their earliest documented phases, drawing on historical sources to produce layered maps of streets, boundaries, and land uses that no longer exist in recognisable form. The entry for Dublin South City, compiled by Clarke and published in 2002, marks the location of a millpond, a reservoir or impoundment used to store water and release it in a controlled flow to drive a watermill's wheel. Mills of this type were common features of medieval and early modern urban life, grinding grain, fulling cloth, or serving other industrial functions, and their ponds were substantial engineering works, often fed by diversions from nearby rivers or streams. In Dublin, the network of watercourses running through and around the medieval city made such installations practical, and several mills are known to have operated in and around the city during the period the Atlas covers.

Because this site survives only as a cartographic reference rather than as a standing structure or visible earthwork, there is nothing to visit in any conventional sense. The value here is archival. Anyone seriously interested in the pre-modern topography of south Dublin would do well to consult the Irish Historic Towns Atlas directly, either through a library holding physical copies or via the digital resources maintained by the Royal Irish Academy. The map itself rewards close reading, showing how water, industry, and settlement were woven together in the city long before its modern street pattern was fixed. For those inclined to walk the area with the Atlas map in hand, the exercise of trying to reconcile what is drawn there with what now exists on the ground is a quietly absorbing one.