It is a cross-base without its cross, a socket-stone that once held an upright carved shaft now long gone. The base measures just under a metre in length and roughly thirty centimetres in height, modest dimensions that make its careful stonework easy to overlook. Yet the precision of those tenons, rectangular stone projections designed to lock a cross firmly in place, suggests it was made with real intention. One tenon sits on the upper face, the other on the back, and together they would have gripped whatever cross was set into them from two directions at once.

Temple na Skellig, to which this cross-base belongs, sits within the monastic valley of Glendalough in County Wicklow, one of the most significant early medieval ecclesiastical sites in Ireland. Glendalough was founded, according to tradition, by St Kevin in the sixth century, and the valley accumulated a remarkable concentration of churches, crosses, and round towers over the centuries that followed. The name Temple na Skellig refers to a small church set close to the southern lake shore, accessible only by water or a narrow path, which gives the whole site an atmosphere of deliberate remove from the world. A granite cross-base positioned outside the gable end of such a building would have marked a significant point in the monastic landscape, perhaps a station on a processional route or a focus for outdoor prayer and assembly.