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Let's do it on foot first |
Probably the high point of this narrowboat
trip was the passage over the two big aqueducts on the Llangollen Canal. An
aqueduct is simply a bridge to carry the canal over a road, river or in the
case an entire river valley. The first is the Chirk Aqueduct, which carried an
Iron trough upon 10 masonry arches 70 feet high and 710 feet long. It is over
200 years old, opened in 1801. There is now a railway viaduct running beside
it. At the north end of the
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Crossing the Chirk |
aqueduct is a tunnel which runs for 421 meters, so
depending on which direction you are coming, you navigate your boat 70 feet
above a river valley and then enter a tunnel under a hill. One of our crew was
both slightly claustrophobic and not fond of heights, so although I drove over
and under the first time, I handed the tiller to him on the way back, thinking
if he was concentrating on driving the boat he might not be so concerned.
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That is a long way down |
Although shorter at only 307 meters, the
Pontcysyllte aqueduct is much higher at 127 feet, and much more dramatic because
it is simply a metal trough sitting on 18 stone piers, so when you drive across
you have to actually lean over the side of the boat to see the edge. It appears
there is nothing holding the boat up.
This really is a dramatic experience
driving a 70 foot long vessel across a bridge high above a river valley. You
have to have confidence that the builder,
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Across the Pontiunpronouncable |
Thomas Telford built this structure to
last over 200 years ago. Fortunately, the trough is barely wider than the boat,
so you hardly have to steer, the trough guiding you across, and although it is
difficult to cross without slight bounces against the sides, the trough has
survived for 200 years and is still holding boats over 100 feet in the air.
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I'm not scared . . . |
Certainly an experience we will remember
for many years to come.
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