Pontcysyllte Aqueduct and Canal
Historical Site Navigable aqueduct and canal remarkable for iron trough
Built by Thomas Telford and William Jessop, the Pontcysyllte Aqueduct carries the Llangollen Canal across the Dee valley in cast-iron troughs; tourists ride narrowboats or walk the towpath for river and valley views.
The Pontcysyllte Aqueduct and Canal is an early 19th-century navigable aqueduct in northeast Wales that carries the Llangollen Canal across the River Dee valley. Designed by Thomas Telford and William Jessop, the aqueduct was completed in 1805 and is a key work of Industrial Revolution civil engineering.
The principal attraction is the aqueduct itself - a 307-metre-long structure standing about 38 metres above the Dee valley that boats and pedestrians can cross. Many visitors walk the towpath for panoramic views of the valley, and canal boat trips provide the experience of crossing the aqueduct by water.
Built in the early 1800s to carry the Llangollen Canal, the aqueduct was engineered by Thomas Telford and William Jessop as part of canal improvements for transport and water management during the Industrial Revolution. It has been preserved and is now used for leisure navigation and walking rather than industrial traffic.
The aqueduct spans the Dee Valley near the village of Trevor, in northeast Wales. It sits on the border of Wrexham County Borough and Denbighshire and is accessed from nearby towns including Llangollen and Chester.
- Towpath safety: The aqueduct has a narrow towpath that is open to pedestrians and cyclists, but sections are exposed and require care when crossing.
- Boat trips: Pleasure boat trips operate over the aqueduct in season, offering full crossing of the structure by canal boat and a unique perspective from the water level.
What to See #
- Pontcysyllte Aqueduct: The iron and stone aqueduct structure that carries the Llangollen Canal across the Dee Valley; it is 307 metres long and rises about 38 metres above the valley floor, and was completed in 1805.
- Trevor Basin and visitor access: Trevor Basin lies at the eastern end of the aqueduct and functions as a visitor access point and mooring area for narrowboat trips along the canal; it also has interpretation and parking nearby.
How to Get to Pontcysyllte Aqueduct and Canal #
The Pontcysyllte Aqueduct is on the Llangollen Canal near Trevor, north of Llangollen in northeast Wales. By road it is reached from the A5 - Llangollen town is only a few miles away and provides the usual approach routes; Wrexham and Chester are the nearest larger centres (roughly 20-30 minutes by car). The nearest national rail station is Chirk (on the Chester-Shrewsbury line), a few miles from the aqueduct; from Chirk or Llangollen town you can reach the aqueduct by local taxi, bus or a short drive. There is a towpath across the aqueduct and a visitor area/parking at Trevor Basin within a short walk of the structure; tourist canal boat trips also run from Llangollen and cross the aqueduct.
Tips for Visiting Pontcysyllte Aqueduct and Canal #
- Arrive early (before 9am) at Trevor Basin to walk the aqueduct with far fewer visitors and to get clearer photographs of the canal against the valley light.
- Use the Trevor Basin visitor car park and boat departure point as your main access; organised canal-boat crossings depart from there and frequently fill up-book trips in advance for a guaranteed slot.
- Don't miss the towpath viewpoints and the nearby Horseshoe Falls viewpoint for quieter panoramas; many visitors only cross the aqueduct and miss the longer, less crowded walks along the canal.
Best Time to Visit Pontcysyllte Aqueduct and Canal #
Go between late spring and early autumn (May-September) for the mildest weather and best conditions for walking and canal activities.
Weather & Climate near Pontcysyllte Aqueduct and Canal #
Pontcysyllte Aqueduct and Canal's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in July) and cold winters (coldest in February). Temperatures range from 1°C to 20°C. Moderate rainfall (755 mm/year), distributed fairly evenly throughout the year.
January
January is cold with highs of 7°C and lows of 1°C. Moderate rainfall (68 mm) and mostly overcast skies.
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February
February is the coolest month with highs of 7°C and lows of 1°C. Moderate rainfall (51 mm) and mostly overcast skies.
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March
March is cold with highs of 9°C and lows of 2°C. Moderate rainfall (60 mm) and mostly overcast skies.
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April
April is cold with highs of 12°C and lows of 3°C. Moderate rainfall (52 mm) and mostly overcast skies.
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May
May is cool with highs of 15°C and lows of 6°C. Moderate rainfall (52 mm) and mostly overcast skies.
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June
June is cool with highs of 18°C and lows of 9°C. Moderate rainfall (59 mm) and mostly overcast skies.
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July
July is cool with highs of 20°C and lows of 11°C. Moderate rainfall (50 mm) and mostly overcast skies.
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August
August is cool with highs of 20°C and lows of 11°C. Moderate rainfall (65 mm) and mostly overcast skies.
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September
September is cool with highs of 17°C and lows of 9°C. Moderate rainfall (71 mm) and mostly overcast skies.
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October
October is cold with highs of 13°C and lows of 6°C. Moderate rainfall (72 mm) and mostly overcast skies.
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November
November is cold with highs of 10°C and lows of 3°C. The wettest month with 80 mm of rain and mostly overcast skies.
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December
December is cold with highs of 8°C and lows of 2°C. Moderate rainfall (75 mm) and mostly overcast skies.
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