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Aqueduct over Dowlais Brook on Monmouthshire and Brecon Canal, partly in Cwmbran Central Community

A Grade II Listed Building in Llantarnam, Torfaen

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Coordinates

Latitude: 51.6404 / 51°38'25"N

Longitude: -3.0267 / 3°1'35"W

OS Eastings: 329051

OS Northings: 194006

OS Grid: ST290940

Mapcode National: GBR J4.7WZ6

Mapcode Global: VH7B5.H19B

Entry Name: Aqueduct over Dowlais Brook on Monmouthshire and Brecon Canal, partly in Cwmbran Central Community

Listing Date: 30 September 2003

Last Amended: 30 September 2003

Grade: II

Source: Cadw

Source ID: 81859

Location: On the Monmouthshire and Brecon Canal some 200m S of Two Locks Road in Cwmbran.

County: Torfaen

Town: Cwmbran

Community: Llantarnam

Community: Llantarnam

Built-Up Area: Cwmbran

Traditional County: Monmouthshire

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History

Late C18 aqueduct carrying the Monmouthshire Canal over the Dowlais Brook. The Monmouthshire Canal which was a prime factor in the industrial development of the Gwent Valleys and was built by Thomas Dadford Junior, 1792-9. The canal ran between Newport and Pontnewynydd, with a branch between Crindau and Crumlin.

Exterior

Canal aqueduct over river, two tunnels of squared stone with segmental arched openings each side of canal. High stone embanking walls without parapets but with triangular piers on each side of and between tunnels. Piers have sloping tops and stop approximately 1m below top of wall. Abutments are splayed each side. Arches have stone voussoirs with raised keystones and walling is of squared stone laid in courses. River on downstream side is paved for some 6m with squared stone blocks terminating in low weir.

Reasons for Listing

Included a substantial masonry feature on an important late C18 canal which was a prime factor in the industrial development of the Gwent Valleys.

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