Llangollen Canal agreement had been reached in 1802 on a route from Tilstock Park to Hurleston Junction, on which work started immediately. It was completed on 25 March 1805. In order to keep the system supplied with water, an Act of Parliament obtained in 1804 had authorised the construction of a navigable feeder from the north end of Pontcysyllte aqueduct to LLangollen on onwards to Llantisilo, where the Horseshoe Falls weir would be constructed on the River Dee. Once this opened in 1808, the system was not short of water. The Ellesmere company attempted to buy out the Chester Canal in 1804,
Llangollen 1201, under the patronage of Madog ap Gruffydd Maelor of Castell Dinas Brân. The bridge at Llangollen was built across the Dee in the 16th century to replace a previous bridge built in about 1345 by John Trevor, of Trevor Hall (later Bishop of St Asaph), which replaced an even earlier bridge built in the reign of King Henry I. In the 1860s the present bridge was extended by adding an extra arch (to cross the new railway) and a two-storey stone tower with a castellated parapet. This became a café before being demolished in the 1930s to improve traffic