Llangollen Canal not completed until 1805. To join the two halves up, a heavily engineered route from Trevor Basin via Ruabon and Brymbo to the River Dee at Chester was planned, but very little of it was built. Instead, the present route from Frankton to Hurleston Junction on the Chester Canal was constructed, and opened in 1805. To supply the system with water, a navigable feeder was built to Llantisilio, just beyond Llangollen, where the Horseshoe Falls weir was constructed on the River Dee to allow the water to be abstracted. As part of the Shropshire Union system, the canal from Hurleston
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