Llangollen Canal has 19 stone arches, each with a 45-foot (14 metre) span. Another aqueduct carries the canal over the River Ceiriog at Chirk, and there are tunnels nearby at Whitehouses, Chirk, and Ellesmere. The canal also forms the boundary on two sides of the Fenn's, Whixall and Bettisfield Mosses National Nature Reserve. In 2009 an eleven-mile section of the canal from Gledrid Bridge near Rhoswiel through to the Horseshoe Falls, which includes Chirk Aqueduct and Pontcysyllte Aqueduct, was declared a World Heritage site by UNESCO. The canal at Hurleston Junction rises from the Shropshire Union Canal main line, through four adjacent
Listed buildings in Wrenbury cum Frith Listed buildings in Wrenbury cum Frith Fourteen buildings and other structures in the English civil parish of Wrenbury cum Frith have been officially designated as listed buildings for their "special architectural and historic interest". Three of the listed buildings are classified as being in grade II* and the remainder in grade II; the parish has no grade-I-listed buildings. Wrenbury cum Frith is in the Cheshire East division of the ceremonial county of Cheshire, situated on the Cheshire Plain. The River Weaver and the Llangollen Canal both cross the civil parish. Before the railway network reached the area, the canal was