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The Pontcysyllte Aqueduct (Welsh pronunciation: [ˌpɔntkəˈsəɬtɛ]; Welsh: Traphont Ddŵr Pontcysyllte) is a navigable aqueduct that carries the Llangollen Canal across the River Dee in the Vale of Llangollen in northeast Wales.
A notable feature of the canal is the Pontcysyllte Aqueduct, built by Thomas Telford. Opened in 1805, the aqueduct is more than 300 metres (980 ft) long and 38 metres (125 ft) above the valley floor. It has 19 stone arches, each with a 45-foot (14 metre) span.
Grade II listed stone aqueduct built 1829-31, crosses the B5090 road. Stone embankments to each side, the river Dean was displaced by this and runs in a tunnel under the left side. Palmerston Street Aqueduct: Pontcysyllte Aqueduct: Llangollen Canal: Thomas Telford
Dundas Aqueduct is built of stone in a classical style. Pontcysyllte Aqueduct is an iron trough on tall stone piers. Barton Swing Aqueduct opens to let ships pass underneath on the Manchester Ship Canal. Three Bridges, London is an arrangement allowing the routes of the Grand Junction Canal, a road, and a railway line to cross each other.
20 January – London Docks open. [1] ... 26 November – The Ellesmere Canal's Pontcysyllte Aqueduct is opened in Wales, the tallest and longest in Britain. [8]
The AONB extends over part of the Pontcysyllte Aqueduct and Canal UNESCO World Heritage Site (WHS), designated on 27 June 2009, before the AONB's extension to the area. The WHS includes sites within the AONB such as Pontcysyllte Aqueduct, Horseshoe Falls, and parts of the Llangollen Canal.
The Trump administration abruptly sent water flowing from two California dams. The action could leave less water in dams for the summer, when farmers typically use it.
The park is downstream from Pontcysyllte Aqueduct has been within the boundaries of the buffer zone of the aqueduct's World Heritage Site since 2009, [6] and within the Clwydian Range and Dee Valley Area of Outstanding Natural Beauty since 2011. [2] The country park has been accredited with the Green Flag Award annually since 2006. [2] [7] [8]