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South-western aerial ropeway revetment, incline and associated buildings

A Grade II Listed Building in Talysarn, Gwynedd

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Coordinates

Latitude: 53.0541 / 53°3'14"N

Longitude: -4.242 / 4°14'31"W

OS Eastings: 249826

OS Northings: 353107

OS Grid: SH498531

Mapcode National: GBR 5K.CN06

Mapcode Global: WH43T.TH5J

Plus Code: 9C5Q3Q35+J5

Entry Name: South-western aerial ropeway revetment, incline and associated buildings

Listing Date: 21 July 2000

Last Amended: 21 July 2000

Grade: II

Source: Cadw

Source ID: 23687

Building Class: Industrial

ID on this website: 300023687

Location: Located above the south side of the North Dorothea Slate Quarry, between the Cornish beam engine house to the west and the ruins of the former slate mill to the east.

County: Gwynedd

Community: Llanllyfni

Community: Llanllyfni

Locality: Nantlle

Built-Up Area: Talysarn

Traditional County: Caernarfonshire

Tagged with: Architectural structure

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History

The Dorothea Quarry in the centre of the Nantlle vale was opened in 1829 by William Turner and John Morgan. From 1853 it was owned by the Williams family until its closure in 1970. The existing incline is shown on an Ordnance Survey map of 1889, although at that date the site of the ropeway structure was occupied by a further incline. The purpose of the revetment was to house engines which drove chain or cable inclines at an angle of about 45 degrees, enabling quarry wagons to be pulled up and let down using further cables.

Exterior

Large ziggurat-like structure built of sawn slate blocks, aligned roughly north-south. The sides are strongly battered with distinctive offsets; remains of slate-built structures on top. Projecting from the east end, in a north-easterly direction, is a slate-built inclined plane.

Reasons for Listing

Included as one of a pair of large and unique aerial ropeway revetments, impressive for the scale of their engineering and having strong group value with the Cornish beam engine house at this important C19 slate quarry.

Scheduled Ancient Monument (No.199).

External Links

External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.

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Other nearby listed buildings

  • II* Engine House, Boilerhouse, Bunker and remains of chimney to south
    On a ridge of bastard rock which divides the main Dorothea Quarry from the South Dorothea Quarry; located by the side of the road access to the quarry.
  • II Tunnel Portal and Tunnel
    Located in the hillside to the north of Talysarn Hall.
  • II Causeway
    Located off the B 4418 to the north of Dorothea House, beginning beyond Pont Wythdir and running north-east for approximately 100m across marshy ground with a spoil heap to the north-west on the south
  • II North-eastern aerial ropeway revetment, incline and associated buildings
    Located above the east side of the North Dorothea Slate Quarry between Pen-y-Bryn to the north-east and the ruins of the former slate mill to the south-east.
  • II Strainer arches and retaining walls
    Located to the south of Pen-y-bryn, the strainer arches and walls retain the slate waste tips flanking the route of the Dorothea Quarry branch of the former Nantlle Railway.
  • II Pen-y-bryn
    Located at the end of a track on the north side of the old Talysarn to Nantlle Road.
  • II Capel Mawr, Sunday School and railed steps to chapel forecourt
    Located in a commanding position at the eastern end of Talysarn with its Sunday School directly to the east, the chapel is set high above the road at the top of its own steps.
  • II Seion Congregational Church
    Situated in an elevated position amidst terraced housing approximately half way up Cavour Street; in front of the chapel is a small forecourt behind an irregularly coursed rubblestone wall, topped by

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