Chirk bank Aqueduct is a 70-foot (21 m) high and 710-foot (220 m) long navigable aqueduct designed by Thomas Telford that carries what is now the Llangollen Canal across the Ceiriog Valley near Chirk, on the England-Wales border, spanning the two countries. A railway viaduct runs alongside slightly higher to indicate the superiority of rail over water transport.
The Chirk tunnel It lies immediately northwards. It is 421 metres (460 yd) long and has a complete towpath inside. The tunnel is designed for a single standard narrowboat, so passing is not possible.
The Pontcysyllte Aqueduct is a navigable aqueduct that carries the Llangollen Canal across the River Dee in the Vale of Llangollen in north east Wales. The 18-arched stone and cast iron structure is for use by narrowboats and was completed in 1805 having taken ten years to design and build. It is the longest aqueduct in Great Britain and the highest canal aqueduct in the world.
Chirk castle was built in 1295 by Roger Mortimer de Chirk, uncle of Roger Mortimer, 1st Earl of March as part of King Edward I's chain of fortresses across the north of Wales. It guards the entrance to the Ceiriog Valley.
This is such a great set of photos. It's flipping high on that aquaduct when you're steering a boat.
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