Chirk Aqueduct is a 70-foot high and 710-foot long navigable aqueduct that carries what is now the Llangollen Canal across the Ceiriog Valley near Chirk, on the England-Wales border, spanning the two countries.
Wikipedia https://en.wikipedia.org/wiki/Chirk_Aqueduct
Address LL14 5, United Kingdom
Coordinates 52°55'40.123" N -3°3'43.308" E