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Lake Vyrnwy
Man-made lake in Wales / From Wikipedia, the free encyclopedia
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Lake Vyrnwy (Welsh: Llyn Efyrnwy, pronounced [ɛˈvərnʊɨ] or Llyn Llanwddyn) is a reservoir in Powys, Wales, built in the 1880s for Liverpool Corporation Waterworks to supply Liverpool with fresh water. It flooded the head of the Vyrnwy (Welsh: Afon Efyrnwy) valley and submerged the village of Llanwddyn.
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Lake Vyrnwy | |
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Welsh: Llyn Efyrnwy | |
![]() View overlooking Lake Vyrnwy showing the full extent of the lake | |
Location | Wales |
Coordinates | 52.78°N 3.50°W / 52.78; -3.50 |
Lake type | Reservoir |
Primary inflows | River Vyrnwy and other small streams |
Primary outflows | River Vyrnwy |
Managing agency | Hafren Dyfrdwy subsidiary of Severn Trent |
Built | 1881–88 |
Max. length | 7.64 kilometres (4.75 mi) |
Max. width | 0.80 kilometres (0.5 mi) |
Surface area | 4.54 square kilometres (1,121 acres) |
Max. depth | 26 metres (84 ft) |
Water volume | 59.7 gigalitres (13.125×10 |
Shore length1 | 19 kilometres (12 mi) |
1 Shore length is not a well-defined measure. |
The Lake Vyrnwy Nature Reserve and Estate that surrounds the lake is jointly managed by the Royal Society for the Protection of Birds (RSPB) and Hafren Dyfrdwy and is a popular destination for ornithologists, cyclists and hikers. The reserve is designated as a national nature reserve, a Site of Special Scientific Interest, a Special Protection Area, and a Special Area of Conservation.