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Cof Cymru: National Historic Assets of Wales · Wales

Drws y Coed Copper Mine

Llanllyfni, Gwynedd, Wales

The record

Designation
Scheduled monument
Site type
Copper Mine
Period
Post Medieval/Modern
Community
Llanllyfni
Unitary authority
Gwynedd
Country
Wales
Coordinates (centre of the scheduled area)
53.05802, -4.17095
SAM number
CN162
Cadw record number
4363

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

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1588 "Ortelius, Abraham: Theatro De La Tierra Universal. 0" (Bayerische Staatsbibliothek, Munich).

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This record in Cadw's own full report ↗

Cadw's description

The following provides a general description of the Scheduled Monument.

A complex of copper mining and processing installations, well documented from the 18th century onwards. The complex includes foundations for crushing machines, the ruins of buildings, a level and a water tower directing water to a water wheel via an aperture in the base of the tower. The large wheel-pit of this water wheel survives, as does a high masonry wall protecting the wheel from the wind.

The surviving yards on the centre of the site (the easternmost mill buildings) have been disturbed and partly rebuilt for use as sheep pens. An area adjacent to these on the W has been cleared for the construction of new sheep pens.

The monument is of national importance for its potential to enhance our knowledge of the copper mining industry. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. The structures themselves may be expected to contain archaeological information concerning chronology and building techniques.

The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.

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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