About
Venture inside Pen y Garreg Dam on an Elan Valley Dam Open Day near Rhayader. A memorable event for curious visitors and families.
Most visitors to the Elan Valley only see the dams from the outside, on a Dam Open Day, you can step inside Pen y Garreg Dam and discover a very different side to this much-loved Mid-Wales landscape.
This is a chance to experience the scale, atmosphere and story of the dam from within. It's an ideal visit for those who enjoy heritage, engineering, spectacular views and unusual days out!

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