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Chirk Aqueduct (continued into England)

A Grade II* Listed Building in Chirk, Wrexham

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Latitude: 52.9282 / 52°55'41"N

Longitude: -3.0621 / 3°3'43"W

OS Eastings: 328696

OS Northings: 337277

OS Grid: SJ286372

Mapcode National: GBR 73.MDPV

Mapcode Global: WH78C.YN0K

Entry Name: Chirk Aqueduct (continued into England)

Listing Date: 4 January 1966

Last Amended: 29 July 1998

Grade: II*

Source: Cadw

Source ID: 618

Building Class: Transport

Location: The aqueduct straddles the Ceiriog Valley, approximately 55m SW of the parish church, and can be reached by a footpath from Castle Road. The aqueduct passes into England (Weston Rhyn) at its S end.

County: Wrexham

Town: Wrexham

Community: Chirk (Y Waun)

Community: Chirk

Locality: Ceiriog

Traditional County: Shropshire

Lieutenancy Area (Ceremonial County): Shropshire

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Designed by Thomas Telford in 1796 for the Ellesmere Canal Company, to carry the the Llangollen Branch canal over the valley of the Afon Ceiriog. The foundation stone was laid by Richard Myddleton of Chirk Castle in June 1797. Six arches only are shown by Sir Richard Colt Hoare in his watercolour of c1799. The canal was extended at the suggestion of William Jessop to obtain headwater from the river Dee at Llantysilio-yn-ial. The iron for constructing the aqueduct channel was provided by William Hazeldine of Shrewsbury at the Plas Kynaston foundry, the masonry provided by James Varley of Colne, and the total cost was £21,000.


Brick piers faced with stone ashlar, carry 10 arches of 12.2m (40ft) span for the tank set at 20m (68ft) above the valley for a length of 216.5m (710ft). The water tank c3m wide, is carried on flanged and bolted cast iron plates on the bottom, with ashlar stonework and brick sides laid in Parker's Cement. In c1870 additional cast iron side plates 1.25m long and 23mm thick were inserted. The tow path is on the E side, and bordered by cast iron railings set on the wide coping.

Reasons for Listing

Included at II* as one of the outstanding industrial monuments associated with canal transport in Britain. Of group value with Chirk Tunnel, and with the adjacent Chirk Railway Viaduct.

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Other nearby listed buildings

  • II* Chirk Aqueduct
    Weston Rhyn, Shropshire, LL14
  • II* Railway Viaduct over River Ceiriog
    The viaduct crosses the valley parallel to Chirk Aqueduct, 550m SW of the Church at the centre of the village.
  • II* Chirk Viaduct
    Weston Rhyn, Shropshire, LL14
  • II* Chirk Tunnel, including the N and S Portals, and Chirk Basin.
    The Chirk tunnel continues the canal N from Chirk basin at the N end of the aqueduct, and is reached by a path from Castle Road.
  • II Whitewalls
    The house lies back from the road in its own grounds, with access off the road from Castle Road to Station Avenue.
  • II Chirk Bridge
    St. Martin's, Shropshire, LL14
  • II Chirk Mill
    The mill stands by the former bed of the Afon Ceiriog, at the bottom of Chirk Hill.
  • II Bryn Coed
    The house stands in its own grounds at the E end of Castle Street, overlooking the valley to the rear.

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