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The Conversation
The Conversation
Lynda Yorke, Associate Professor (Senior Lecturer) in Critical Physical Geography, Bangor University

When the dam broke: the 1925 disaster that reshaped a Welsh community and a country’s safety laws

Nestled between the Caerneddau mountains and the Afon (River) Conwy, the small village of Dolgarrog in north Wales looks peaceful. But the huge hydro-electric pipes that run down the hillside are a constant reminder of the village’s history, and of how the same source of power that once brought prosperity also unleashed disaster.

On November 2 1925, the dam at Llyn Eigiau burst. A torrent of water and boulders thundered down the valley, sweeping through the northern part of Dolgarrog and destroying the small settlement of Porth Llŵyd. Sixteen people were killed.

One hundred years later, Dolgarrog’s story is not just one of tragedy. The village has become what its residents call a living memorial. It’s a place where disaster is not only remembered, but woven into the landscape, the law and the community’s sense of itself.

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