Cronfeydd ac Argaeau Cwm Elan/Elan Valley Dams & Reservoirs (Welsh Water) Powys Cymru/Wales 1.7.24

Cronfeydd ac Argaeau Cwm Elan/Elan Valley Dams & Reservoirs (run by Dwr Cymru/Welsh Water) in Powys Cymru/Wales, filmed on 1.7.24. Construction commenced in 1893 and the last reservoir was opened in 1952. More information on each reservoir and dam, plus detailed stats on each is available at: en.wikipedia.o...