Over which river does XXX cross?
Pontcysyllte Aqueduct
The Pontcysyllte Aqueduct (Welsh pronunciation: (ˌpɔntkəˈsəɬtɛ), full name in Welsh: Traphont Ddŵr Pontcysyllte) is a navigable aqueduct that carries the Llangollen Canal over the valley of the River Dee in Wrexham County Borough in north east Wales.
River Dee