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
Ladies of Llangollen hunted them down and forcefully tried to make them give up their plans—but in vain. They moved to Wales with a servant, Mary Caryll, who lived and worked for them without pay for the rest of her life, and who was buried in the same plot and memorialized on the same grave marker. Putting their plan into motion, they undertook a picturesque tour of the Welsh countryside, eventually settling in North Wales. Living first in a rented home in the village of Llangollen, they moved in 1780 to a small cottage just outside the village they called Plas Newydd or