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 is now operated by United Utilities, and was given a £6 million upgrade in 2003. Just beyond the A534 Wrexham Road bridge is the entrance to Swanley Bridge Marina, on the west bank of the canal. It has moorings for over 300 boats, and is situated in of farmland, which includes a wood with nature trails. It opened in September 2006, and was built in response to a document published by British Waterways in the spring of that year, which outlined development opportunities for farmers and landowners adjacent to the canal. The two Swanley locks raise the level of the