A 4 mile guided walk to learn about the area, including the remains of Nant y Gro Dam which was used for tests before the WW2 Dambusters Raid. There is a steep climb of 40m up the steps to the top of the dam and then a very steep 140m climb. Meet at the Elan Valley Visitor Centre (Grid reference SN 928646). We reserve the right to change/cancel events...
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