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
Llangollen railway station associated but separate Llangollen and Corwen Railway company, and involved constructing a long tunnel under the local Berwyn Mountains. It, together with the new centrally positioned and larger station in Llangollen, opened for service on 1 May 1865. The already accommodated double-tracking of the line from Ruabon was completed in September 1900 to Llangollen Goods Junction, located west of the current station. Between then and World War I, Acrefair, and Llangollen stations were all in part remodelled to cope with additional traffic. There were signal boxes at Llangollen and Llangollen Goods Jnc., with the latter controlling access to the goods