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Cof Cymru: National Historic Assets of Wales · Wales

Ropeway Winding House (north-east)

Llanllyfni, Gwynedd, Wales

A Grade II listed building in Pen-yr-Orsedd, Caernarfon, Llanllyfni, Gwynedd, designated on 21 July 2000.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Ropeway Winding House (north-east), Llanllyfni, Gwynedd, with a pin at the register's coordinates
Ordnance Survey six-inch map, 2nd edition (1888–1913), covering this location. Courtesy of the National Library of Scotland. The pin is ours, placed from the register's coordinates.

The record

Designation
Listed building, Grade II
Broad class
Industrial
Date of designation
21 July 2000
Locality
Pen-yr-Orsedd
Town
Caernarfon
Community
Llanllyfni
Unitary authority
Gwynedd
Country
Wales
Coordinates
53.06009, -4.22746
Cadw reference
23738

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

5 historical maps cover this location, the earliest the 1795 map "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).

Historical maps covering this location

  • 1795 · To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most… (Llyfrgell Genedlaethol Cymru – The National Library of Wales)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1896 · Sheet 7. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 118 Nevin (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Located immediately to the north-west of the slate mill on Level IV (Bonc Isa') of Pen-yr-Orsedd Slate Quarry.

Built in 1929 to wind the blondin ropeway from Wern Ifan pit. The quarry opened c1816 when it was worked by William Turner. In 1863 it was bought by W A Darbishire & Co., after which it underwent substantial modernisation, reflected in the use of both water and steam power. During the 1890s about 450 men worked here; it finally closed in 1997.

Single-storey rectangular plan structure aligned north-east to south-west, constructed of roughly coursed slate slabs with gable-ended slate roof. Central window (joinery missing) to front wall with doorway and further window openings in left gable end; integral red brick stack to right gable end.

Retains concrete base for former electric motor which wound the blondin ropeway. On the internal wall are 3 murals, each contained in a painted disc, one depicting a horse's head, the others a bird on a branch and a dog's head with potted plant.

Included as a well-preserved example of a C20 winding house operated by electric power and associated with the extensive blondin system at the quarry; part of the remarkable complex of buildings at Pen-yr-Orsedd Slate Quarry forming a group with other items on Level IV.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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