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Cof Cymru: National Historic Assets of Wales · Wales

Dalrhiw Lead Mine

Llanwrthwl, Powys, Wales

A scheduled monument in Llanwrthwl, Powys, recorded as Lead Mine (Post Medieval/Modern).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Dalrhiw Lead Mine, Llanwrthwl, Powys, 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
Scheduled monument
Site type
Lead Mine
Period
Post Medieval/Modern
Date of designation
10 June 1997
Community
Llanwrthwl
Unitary authority
Powys
Country
Wales
Coordinates (centre of the scheduled area)
52.23368, -3.63412
SAM number
BR231
Cadw record number
3687

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 1588 map "Ortelius, Abraham: Theatro De La Tierra Universal. 0" (Bayerische Staatsbibliothek, Munich).

Historical maps covering this location

  • 1588 · Ortelius, Abraham: Theatro De La Tierra Universal. 0 (Bayerische Staatsbibliothek, Munich)
  • 1608 · (13) Cambriae Typus. (David Rumsey Map Collection, Stanford Libraries)
  • 1830 · V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40 (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 179 Rhyader (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 14. (David Rumsey Map Collection, Stanford Libraries)

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This record in Cadw's own full report ↗

Cadw's description

The following provides a general description of the Scheduled Ancient Monument.

The monument comprises the remains of a 19th century lead mine including its water-management and transport systems, extraction and dressing processes with their power systems. It was established by the Dalrhiw Company in 1851 and was in operation for about thirty years. The mine is built onto a slope to the south of the Rhiwnant, the processing of the ore being assisted by gravity. The main shaft is at the top of the site, linked to the stream by a drainage adit. The remains also include a horse whim circle, stone lined bob pit, water wheels and pits, pumping gear, ore bins, crusher house, crusher house wheel pit, stone slab floor connected with jigs, mine office, trackways and leats.

The monument is of national importance for its potential to enhance and illustrate our knowledge and understanding of mining technology from a single period. Lead mines may be part of a larger cluster of industrial monuments and their importance can further enhanced by their group value.

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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