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Bridge and Causeway to Former Quarry at Chwarel-y-Fedw.

A Grade II Listed Building in Dolwyddelan, Conwy

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Latitude: 53.0567 / 53°3'24"N

Longitude: -3.8736 / 3°52'24"W

OS Eastings: 274526

OS Northings: 352690

OS Grid: SH745526

Mapcode National: GBR 61.CFJT

Mapcode Global: WH554.GFNJ

Plus Code: 9C5R344G+MH

Entry Name: Bridge and Causeway to Former Quarry at Chwarel-y-Fedw.

Listing Date: 17 February 1997

Last Amended: 17 February 1997

Grade: II

Source: Cadw

Source ID: 18250

Building Class: Transport

Location: Located some 1500m NE of Dolwyddelan village, between the main road (A 470) and the railway track, on the SE bank of the river Lledr.

County: Conwy

Community: Dolwyddelan

Community: Dolwyddelan

Locality: Brynmoel

Traditional County: Caernarfonshire

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Mid-late C19 clapper-built causeway, originally carrying a narrow-gauge rail-link from the Chwarel-y-Fedw slate Quarry to the road; modern timber-faced, steel framed bridge over the Afon Lledr. The railway, completed in 1879 apparently post-dates it.


Slate-rubble causeway, approximately 230m long, and stretching in an arc from the road, across the river Lledr and on, terminating at the railway line. The first stretch, to the river is the longest, approximately 180m; this has a 9-span clapper section at the river end; constructed of large slatestone slabs, and with cutwaters to the upstream, convex side. The opposite side of the river has a similar 10-span clapper section; these rise slightly in the middle and are joined across the river by a modern timber bridge. The causeway is approximately 1.2m high and 1.8m wide; it is of dry-built, random rubble construction and has a metalled footpath and (in part) a C20 wire fence.

Reasons for Listing

Listed for its special historic interest as an unusually long clapper-built bridge and causeway serving a former slate quarry.

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Other nearby listed buildings

  • II Former Dairy-house at Bryn Mwllach
    Located some 100m SE of, and behind Bryn Mwllach, set against a rock outcrop by a stream.
  • II Bryn Mwllach
    Set against a low rock outcrop approximately 750m SW of the Lledr railway station on the S side of the river; accessed via a long metalled track running SW from the Pont-y-Pant.
  • II Bryn-moel
    Located approximately 1.5km NE of Dolwyddelan village, reached off the NW side of the main Llanrwst to Blaenau Ffestiniog road (A 470); accessed via a part-metalled lane.
  • II Former House and Byre at Dol-y-Mur Goch
    Set into the slope of a rise, facing the railway some 500m SW of the Pont-y-Pant railway station; immediately to the SE of Dol-y-Mur Goch, with the lane running behind it. Accessed via a metalled lan
  • II Moriah Calvinistic Methodist Chapel
    Dramatically-sited in the centre of the streetscape; raised up and set back from the main road on a revetted bank.
  • II Ty Capel Moriah
    Adjoining the chapel flush to the rear (N).
  • II Capel Isaf
    At right-angles to the street immediately beyond Pont-y-Llan and overlooking the railway station to the N.
  • II Ty Capel Isaf
    Adjoining the Capel Isaf to the SW and both stepped-down and set back from it.

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