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 the level of the canal by . After another mile (1.6 km), there is a lift bridge just before the entrance to the Whitchurch Arm, which served the town of Whitchurch. Part of it remains open, and is used for moorings. The section from the main line to Sherryman's Bridge was opened on 6 July 1808, and in 1811 a further extension into the town reached Castle Well. The arm remained closed when the canal reopened in the 1950s, but Whitchurch Town Council looked at ways of bringing boats back into the town in the early 1980s and the embryonic