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 (BCU) all hold events in Llangollen. Cricket, football and rugby union teams play at Tower Fields, which overlooks the town and the International Eisteddfod field and pavilion. Thermals rising up the valley sides to the south of the town are used for paragliding. Mountain bikers enjoy the hills. Llangollen was the starting point of the first massed-start cycle race held on British roads, on 7 June 1942. The 59-mile Llangollen Wolverhampton race was organised by Percy Stallard in defiance of the sport's governing body, the National Cyclists' Union, but with approval from all police chief constables through whose districts the