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,
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