Cefnllys Castle
Fortress · Penybont
Ghost town
Cefnllys is an abandoned ghost village, formerly a medieval castle town and borough, near Llandrindod Wells in Radnorshire (now part of Powys), Wales. The settlement was founded during the 13th century by the Mortimer family in order to strengthen their hold on land in the vicinity of the Cefnllys Castle, with which the town was closely associated. The town was probably intended to become the primary settlement of the lordship and cantref of Maelienydd, but was unsuccessful and declined during the 14th century as a result of bubonic plague outbreaks, economic isolation and military insecurity. Despite this, Cefnllys retained its borough status until the 19th century.
The date of the town's founding is unrecorded. It may have been established concurrently with the first stone castle at Cefnllys in the 1240s, but a later date is more likely, particularly after the creation of royally-sponsored English towns at Flint, Aberystwyth, and Rhuddlan in the aftermath of Edward I's conquest of Wales. The settlement was extant in 1297, when it was documented as being granted a market charter. It had gained borough status by 1304, when it was recorded as having a population of 25...