Gallarus Oratory is a wonderful boat shaped structure on the Dingle peninsula in Co. Kerry. The sandstone walls are 1.2 metres thick and the east wall has a round headed window. Internally the oratory measures 4.65 metres x 3.1 metres. At the side of the northern wall is a headstone in the form of a cross-slab that is 1.1 metres high x 0.3 metres thick. The upper part of the slab is inscribed with an equal armed cross within a circle and the lower part bears an insription in half uncial script reading,
COLUM MAC DINET