The Llyn Brianne Reservoir is a beautiful 530-acre (2.1 square kilometer) body of water nestled in the Cambrian Mountains of Mid-Wales. Created in 1972 by damming a section of the River Towy, the reservoir’s purpose is to store winter rain…

The Clywedog Reservoir, or Llyn (Lake) Clywedog, was formed by damming the River Clywedog, a tributary of the River Severn, in 1967. The concrete buttress dam is the tallest concrete dam in the United Kingdom, with a height of 236…

Lake Vyrnwy (Llyn Efyrnwy in Welsh) is a beautiful man-made reservoir constructed in 1888 to provide the City of Liverpool with a reliable and plentiful source of fresh water. Just south of Snowdonia in the county of Powys in Mid…