It is not tall, barely reaching 0.85 metres above the ground, and its broad triangular shape is almost squat compared to the more imposing examples found elsewhere in the county. Yet its placement feels deliberate, its long axis oriented NNE to SSW with a precision that suggests whoever set it here was not choosing the spot at random.

Standing stones are among the more enigmatic monuments left by prehistoric communities in Ireland. They appear across the landscape in considerable numbers, sometimes alone, sometimes in loose association with burial sites or other monuments, and their original purpose remains genuinely uncertain. This particular example measures 0.97 metres in length and 0.19 metres in thickness, and sits on the south-western slope of Two Rock Mountain in the townland of Ballybrack, south County Dublin. One detail noted by local observer Ivor Kenny in September 2014 is worth pausing over: there are no visible packing stones around its base. This is not necessarily unusual, but on a site like this it is the peat itself, running roughly 0.2 metres deep, that obscures whatever may lie beneath. The stone may be more deeply embedded than it appears, or the evidence of how it was originally set simply lies hidden under the bog.

Access to the site requires crossing open moorland, so reasonable footwear is advisable, and the terrain can be soft underfoot depending on the season. The Glencullen valley below offers a useful orientation point, and Two Rock Mountain is a familiar landmark for walkers coming from the Dublin hills. The stone sits on the slope above, and given its modest height it is worth knowing roughly where to look before setting out. Peat and heather can make low monuments easy to overlook, so approaching with a map reference rather than hoping to spot it from a distance is the more reliable approach.