Llangollen route 418, offering journeys to Wrexham and to London via Shrewsbury, Telford and Birmingham. The Ellesmere Canal was intended to connect the coal mines and ironworks at Ruabon and Wrexham to the canal network and thence to the sea via the River Mersey and the River Severn. The plans were altered, and instead of connecting Trevor northwards to the sea via the River Dee and southwards to the Severn, the canal ran eastwards to join the national network at Hurleston Junction on the Shropshire Union Canal near Nantwich. A feeder canal, navigable to Llangollen, was constructed from Trevor to tap
Llangollen water from the River Dee at Llantysilio (at the weir called "Horseshoe Falls"). After company mergers, the canal became part of the Shropshire Union System. Until recently it was properly called the Llangollen Branch of the Shropshire Union Canal, though it is now known as the Llangollen Canal. The canal supplied enough Dee water to supply Crewe and Nantwich, and when commercial traffic failed in the 1940s, it was its function as a water supply which kept it open. The canal is unusual amongst Britain's artificial waterways in having a strong flow (up to 2 miles per hour). Since the