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Cof Cymru: National Historic Assets of Wales · Wales

Tramroad at Ystradgynlais

Tawe-Uchaf, Powys, Wales

A scheduled monument in Tawe-Uchaf, Powys, recorded as Tramroad (Post Medieval/Modern).

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Tramroad at Ystradgynlais, Tawe-Uchaf, 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
Tramroad
Period
Post Medieval/Modern
Community
Tawe-Uchaf
Unitary authority
Powys
Country
Wales
Coordinates (centre of the scheduled area)
51.77531, -3.72291
SAM number
GM399
Cadw record number
618

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)
  • 1898 · 231 Merthyr Tydfil (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • [Kaart] (University Library, Vrije Universiteit Amsterdam)
  • Sheet 7 South Wales (University Library, Vrije Universiteit Amsterdam)

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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 the well preserved tramroad at Ystradgynlais. It was built c. 1832-7 as a 6.44km link line to the Brecon Forest Tramroad to enable limestone to be brought directly down to the Ynyscedwyn Ironworks. The proprietor was Joseph Claypon and the engineer's contractors were John and Robert Brunton. The whole length remains an impressive monument - the track runs through large cuttings and over impressive stretches of embankment on the expanse of Mynydd y Drum. At the canal end, Brunton's Incline, 1.2km long rising through 210m is among the most impressive tramroad inclines surviving in south Wales. The squared rubble masonry engine house and cable tunnel runs are located at NGR SN8013 0942.

The monument is of national importance for its potential to enhance and illustrate our knowledge and understanding of the development of the raw materials supply and transportation network associated with nineteenth century iron industry. It is well preserved and retains significant archaeological potential. There is a strong probability of the presence of evidence relating to layout, building techniques and functional detail.

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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