Built by Thomas Telford and completed in 1805, it's no exaggeration to say that the techniques and ideas developed at Pontcysyllte helped shape the world through their impact on engineering.
Nid yw'n ormodiaeth dweud bod y technegau a'r syniadau a ddatblygwyd ym Mhontcysyllte wedi helpu i lunio'r byd drwy eu heffaith ar beirianneg.