A dam, constructed of stone, to retain water in the Upper Neuadd reservoir, NPRN 246463. The dam is listed, Listed Building number 84824, and was completed in 1902. The spillway, slightly offset to the west of centre, is flanked by two towers. The eastern tower is the larger topped with a spire. J.J. Hall, Trysor, 13 November 2008
Adnoddau
LawrlwythoMathFfynhonnellDisgrifiad
application/pdfCA - Cotswold Archaeology Projects ArchiveReport entitled "Upper Neuadd Dam Brecon Beacons National Park Powys. Historic Building Recording" CA Project: 5587, CA Report : 15679. Produced for Skanska on behalf of Dwr Cymru/Welsh Water by Cotswold Archaeology, September 2015.
