Still in use today despite recent extensions, the graveyard sits on the southeast slopes of Glendoon Hill overlooking the River Swilly, occupying what has long been considered good agricultural land. Archaeological evidence suggests this was an important ecclesiastical settlement dating back to at least the 7th century, making it one of the older religious sites in the region.

Within the graveyard walls, visitors can explore the ruins of an ancient church alongside a holy well, both testaments to the site’s enduring spiritual significance. The most intriguing feature, however, is a rectangular stone cairn that was created during restoration work in 1968. Originally a grassy mound running perpendicular to the church’s south wall, it was transformed into a carefully constructed monument with a flat top paved entirely with historical graveslabs. This cairn now serves as an open-air museum of sorts, displaying an impressive collection of early Christian stonework.

The collection includes six upright slabs bearing cruciform designs, alongside three uninscribed standing stones and numerous recumbent cross-slabs set directly into the cairn’s structure. Perhaps the most fascinating piece is a rounded slab measuring 90cm by 38cm, which features a lightly incised human figure depicted in the orans position; a prayer pose with arms raised that was common in early Christian art. Twelve additional graveslabs rest atop the cairn, ranging from plain, uninscribed stones with distinctive trapezoidal shapes to a single late 19th-century marker, creating a timeline of burial traditions spanning centuries.