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In 1925 there was a breach in a dam wall at Cwm Eigiau up in the mountains above the village of Dolgarrog. The photo was taken from inside the dam area showing the section of wall that failed. The water roared down the valley and overwhelmed a lower dam at Coedty which in turn failed. The full volume of water plunged over the steep valley side at Dolgarrog taking everything in its path with it including enormous boulders the size of a bungalow. Sixteen people died and huge damage was done to the village of Dolgarrog. The failure of the dam led to recommendations and improvements in dam safety.

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Keywords:1925, conwy, cymru, dam disasters, disasters, dolgarrog, flooding, snowdonia, wales

HRS 462 Dolgarrog disaster breach in distance main dam middl

HRS 462 Dolgarrog disaster breach in distance main dam middl

HRS 461 Breach in reservoir wall Cwm Eigiau 2003

HRS 461 Breach in reservoir wall Cwm Eigiau 2003

HRS 5384 Coedty reservoir 2004

HRS 5384 Coedty reservoir 2004

HRS 5386 Coedty sunset 2004

HRS 5386 Coedty sunset 2004

HRS 5387 Coedty sunset 2004

HRS 5387 Coedty sunset 2004

HRS 5514 Dolgarrog Disaster breach site 1st channel 2004

HRS 5514 Dolgarrog Disaster breach site 1st channel 2004

HRS 5515 Dolgarrog breach site and water works 2004

HRS 5515 Dolgarrog breach site and water works 2004

HRS 5565 Dolgarrog, Afon Llwyd in flood 1995

HRS 5565 Dolgarrog, Afon Llwyd in flood 1995

HRS 5569 Dolgarrog, Afon Llwyd waterfall 2004

HRS 5569 Dolgarrog, Afon Llwyd waterfall 2004

HRS 5570 Dolgarrog, View from Afon Llwyd towards Aluminium wks 2004

HRS 5570 Dolgarrog, View from Afon Llwyd towards Aluminium wks 2004