Navigable Pontcysyllte Aqueduct, carries the Llangollen Canal across the River Dee in the Vale of Llangollen in northeast Wales. UK Today mainly u...

Navigable Pontcysyllte Aqueduct, carries the Llangollen Canal waters across the River Dee in the Vale of Llangollen in northeast Wales. 18 arched stone and cast iron structure is for use by narrowboats and for people to cross on foot. Great Britain.