Pontcysyllte, Wrexham, England, United Kingdom
Pontddwr Pontcysyllte Agorwyd yn 1805, ac ar y pryd, hon oedd y ddyfrbont uchafi drafnidiaeth yn y byd Gweler. Pontcysyllte Aqueduct Opened in 1805 as the tallest navigatable aqueduct in the world.
Listen to the audio guide for Pontcysyllte Aqueduct red plaque Free on WIP — starts by itself when you arrive, even with the screen off