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Cwm-yr-hafod Bridge

A Grade II Listed Building in Llanwddyn, Powys

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Latitude: 52.78 / 52°46'48"N

Longitude: -3.5223 / 3°31'20"W

OS Eastings: 297416

OS Northings: 321355

OS Grid: SH974213

Mapcode National: GBR 6H.XWC5

Mapcode Global: WH67S.VDW4

Entry Name: Cwm-yr-hafod Bridge

Listing Date: 26 February 2003

Last Amended: 26 February 2003

Grade: II

Source: Cadw

Source ID: 80914

Building Class: Transport

Location: On the south lakeside road 4.8 km from the Vyrnwy Dam.

County: Powys

Community: Llanwddyn

Community: Llanwddyn

Locality: Lake Vyrnwy

Traditional County: Montgomeryshire

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One of a series of bridges erected over side streams for the 17-km Lake Vyrnwy perimeter road, c.1890.


A bridge of high segmental form with a span of about 6 m, in rock-faced masonry. Rock-faced voussoirs with an enlarged keystone. The parapets are low and have a string course at base and a coping, both in rock-faced masonry with chisel drafted margins. Four small piers with rounded copings terminate the parapets. Rounded wing walls.

Carriageway about 5 m wide.

Reasons for Listing

One of a set of bridges, in various monumental styles and evidently designed by different hands, related to the exploitation of the Reservoir perimeter road for its touristic potential, and closely related to the management of the Reservoir estate.

Other nearby listed buildings

  • II Pont Eunant
    On the south lakeside road 6.9 km from the Vyrnwy Dam.

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