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 Canal deciding to add the "W", and at the same time as the numbers were altered, it ensured that all bridges carried a number on both sides. The work was due to be completed by July 2008, but there were delays due to manufacturing difficulties with the new castings. The Llangollen Canal passes through Hindford, Saint Martin's, Preesgweene, Chirk Bank, Chirk and Froncysyllte, and includes the Chirk Aqueduct, the Chirk Tunnel and the Pontcysyllte Aqueduct. This section was built as a navigable feeder and is both shallow and narrow. Some sections near Llangollen are too narrow for boats to pass each