Our trip today consisted of a walk from Llangollen itself, for 5 km along the Llangollen canal to these falls. It is in fact a man-made weir on the River Dee designed by Thomas Telford. The distinctively shaped weir, which is 460 feet (140 m) long, helps create a pool of water that can enter the Llangollen Canal

Since 2009, the weir has been part of a World Heritage Site, which covers 11 miles (18 km) of the Llangollen Canal from just west of Horseshoe Falls to just beyond the Chirk canal aqueduct and the railway viaduct not very far fro the Pontcysyllte Aqueduct. The canal was awarded World Heritage status because of the bold civil engineering solutions needed to construct a canal with no locks through such difficult terrain.

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