LLANDEGLEY, a parish in Presteigne district, Radnor; on an affluent of the river Ithon, adjacent to Radnor forest, 3 miles SE of Penybont r. station, and 7 WNW of New Radnor. It contains the townships of Swydd, Graig, and Tynlan, and part of the township of Llanvihangel-Nantmellan; and its Post town is Penybont, Radnorshire. Acres, exclusive of the Llanvihangel portion, 3,729. Real property, not separately returned. Pop., 382. Houses, 70. The property is much subdivided. A strong sulphureous spring is here, and has many summer visitors for using its waters both internally and eternally; and an inn is adjacent. A remarkable range of rocks, rich in quartz crystals, is near the churchyard. The living is a vicarage in the diocese of St. David's. Valne, £1 22. * Patron, the Bishop of St. David's. The church is tolerable. There are a free school with £22 a year, and charities £11.

(John Marius Wilson, Imperial Gazetteer of England and Wales (1870-72))