Shropshire Union Canal links are to the Llangollen Canal (at Hurleston Junction), the Middlewich Branch (at Barbridge Junction), which itself connects via the Wardle Canal with the Trent and Mersey Canal, and the River Dee (in Chester). With two connections to the Trent and Mersey (via the Middlewich Branch and the Staffordshire and Worcestershire Canal) the SU is part of an important circular and rural holiday route called the Four Counties Ring. The SU main line was the last trunk narrow canal route to be built in England. It was not completed until 1835 and was the last major civil engineering accomplishment of
Chester Canal attractive route for walkers. The canal is well connected, with links to the Trent and Mersey Canal via the Middlewich Branch to the east, the Staffordshire and Worcestershire Canal via the former Birmingham and Liverpool Junction Canal to the south, and provides a route to the Llangollen Canal, from which the Montgomeryshire Canal, which is the subject of an ongoing restoration scheme, can be accessed. Boaters can also access the River Dee at Chester, although advance notice must be given, and the river is only accessible for four hours either side of high tide. At Ellesmere Port, the canal has