Pontcysyllte Aqueduct in northeastern Wales is the longest and highest cast-iron aqueduct in the world at 1000 feet long and 125 feet high. It was designed by Thomas Telford and built between 1805-1806, making him famous as the greatest builder of iron bridges and canals of his time. The aqueduct underwent renovations in 2003-2004 to preserve this important engineering structure from the early 19th century.

2. Pontcysyllte
Aqueduct is
situated in noth-
eastern Wales

3. Pontcysyllte is
the longest and
highest cast-iron
aqueduct in the
world.

4. The cast-iron bridge solution proposed by
Telford was chosen and construction work began
under his supervision.
Pontcysyllte aqueduct was opened on 25 November
1805.

5. The Pontcysyllte
Aqueduct made
Thomas Telford
famous. He was
recognized in his
lifetime as the
greatest builder of
iron bridges and
canals of his time.

6. During the 19th century the canal and
its engineering structures were
regularly maintained. No structural
changes were made.

7. The Pontcysyllte Aqueduct was completely
renovated in 2003-2004.

8. The Pontcysyllte Aqueduct is 1000 feet long and 125
feet high.

9. Thank you for your
attention!