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,
Ellesmere Canal three-lock arrangement. At this point, the section is now part of the Shropshire Union Canal. This section was added to link the canal to the national network. It became the Ellesmere Branch of the Shropshire Union Canal and is now part of the Llangollen Canal. This was the principal part of the original main line of the canal. It became the Llangollen Branch of the Shropshire Union Canal and is now part of the Llangollen Canal. This section of the canal was added as a navigable feeder. It is now part of the Llangollen Canal. This section (the Llanymynech Branch)