Druid Houses
Druid Houses, like those of St. Kilda, Borera Isle, &c., have become in more modern days Oratories of Christian hermits. They are arched, conical, stone structures, with a hole at the top for smoke escape. Toland calls them "little arch'd, round, stone buildings, capable only of holding one person." They were known as Tighthe nan Druidhneach. There is generally in many no cement. The so-called Oratory of St. Kevin, 23 ft. by 10 and 16 high, has its door to the west. The writer was supported by the Guide at Glendalough, in the opinion of the great antiquity of St. Kevin's Kitchen, The house at Dundalk is still a place of pilgrimage.
The one at Gallerus, Kerry, has a semi-circular window. Of these oratories, so called, Wise observes, "They were not Christian, but were erected in connection with this early, let us call it, Celtic religion. If they had been Christian, they would have had an altar and other Christian emblems, of which, however, they show no trace. If they had been Christian, they would have stood east and west, and have had openings in those directions.—The walls always converged as they rose in height."