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Powys Digital History Project
The Elan Valley dams
  Building a new 'Lake District' in Wales  

Craig goch dam under constructionThe amazing system of huge dams and lakes in the Elan Valley of mid-Wales was built between 1893 and 1904.

The project was carried out by Birmingham City Council to provide a source of clean, safe water for the growing population of the city and it's manufacturing industries.

The dambuilding scheme provided jobs for thousands of construction workers, and changed the local landscape for ever.

Clickable map of the dams
Why the dams were built
and why the Elan Valley was chosen
Lost beneath the water
The end of two famous mansions
The Victorian dam builders
A village for the workers
and a hospital for the casualties !
The Elan Valley Railway
Caban-coch Dam
The hidden dam of Garreg-ddu
Controlling the flow to Birmingham
The 'middle dam' of Pen-y-garreg
Craig Goch - the top dam
The dam they didn't finish
The secret waterway below ground



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