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
Overton-on-Dee long-distance footpath; this in turn links up with Offa's Dyke Path National Trail at Bronygarth and the Sandstone Trail, Llangollen Canal, South Cheshire Way, and the Marches Way. Overton-on-Dee Overton or Overton-on-Dee () is a small town and a local government community, the lowest tier of local government, part of Wrexham County Borough in Wales. It is situated close to the Welsh-English border on the edge of an escarpment that winds its way around the course of the River Dee, from which Overton-on-Dee derives its name. The community of Overton, which also includes the village of Lightwood Green and a