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Cof Cymru: National Historic Assets of Wales · Wales

Aqueduct on Dowlais Free Drainage System

Pant, Merthyr Tydfil, Wales

A Grade II listed building in Pengarnddu, Pant, Merthyr Tydfil, designated on 11 March 2003.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Aqueduct on Dowlais Free Drainage System, Pant, Merthyr Tydfil, 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
Water Supply and Drainage
Date of designation
11 March 2003
Locality
Pengarnddu
Community
Pant
Unitary authority
Merthyr Tydfil
Country
Wales
Coordinates
51.76642, -3.34270
Cadw reference
80964

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 1636 map "Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ..." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1636 · Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ... (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)
  • 1856 · 42. Brecon. (David Rumsey Map Collection, Stanford Libraries)
  • 1895 · Sheet 11. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 231 Merthyr Tydfil (Hills) (David Rumsey Map Collection, Stanford Libraries)

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This record in Cadw's own full report ↗

Cadw's description

History

Aqueduct built 1860/1865 on Dowlais Free Drainage System to carry watercourse to nearby reservoir over access way to common.

Exterior

Aqueduct, grey stone, segmental arch approximately 2.4m high and 1.4m span with stone voussoirs. Angled wing-walls and buttresses in stone with soffit in red brick. Parapets repaired with cement. Watercourse some 1m wide lined with brick. Tunnel some 4m long, the N side being part buried in overburden in 1979.

Reason for designation

Included for its special interest as part of the historically important Dowlais Free Drainage System.

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
All Water Supply and Drainage in Merthyr Tydfil All Unitary authority Merthyr Tydfil records All Wales Heritage registers Historical markers (US)National Register of Historic Places (US)
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