We don't have any photos of this building yet. Why don't you be the first to send us one?
Latitude: 51.8448 / 51°50'41"N
Longitude: -3.3712 / 3°22'16"W
OS Eastings: 305633
OS Northings: 217132
OS Grid: SO056171
Mapcode National: GBR YQ.TSH8
Mapcode Global: VH6CC.JW3N
Plus Code: 9C3RRJVH+WG
Entry Name: Torpantau tunnel - E portal
Listing Date: 17 December 1998
Last Amended: 17 December 1998
Grade: II
Source: Cadw
Source ID: 21176
Building Class: Transport
ID on this website: 300021176
Location: On the mountainside within a forestry plantation almost due W of Pont Blaen-y-glyn and below the summit of Coetgae-llwyn.
County: Powys
Community: Talybont-on-Usk (Tal-y-bont ar Wysg)
Community: Talybont-on-Usk
Locality: Taf Fechan
Traditional County: Brecknockshire
Tagged with: Tunnel Tunnel portal
Part of Brecon and Merthyr Railway constructed 1860s, the line substantially supported by Brecon bankers and the de Winton family of industrialists with the aim of transporting coal and iron from the industrial valleys to S. First section between Brecon and Pant near Dowlais opened 1863, later extended to Dowlais; branch line to Merthyr from Pontsticill Junction followed Taf Fechan River opened 1868. Engineer for Brecon/Pant section Henry Conybeare and for Pontsticill to Merthyr Alexander Sutherland. The engineering achievement of this line is described by Barrie as "the famous Seven Mile Bank, constructed throughout on a shelf cut into the hillside and falling towards the Usk for the first half-mile at 1 in 68 and then for 61/2 miles at 1 in 38 so that southbound trains have to overcome a rise of 925 feet in seven miles". Closed 1960s.
Semi-circular arched portal of coursed rock-faced stone, prominent rock-faced voussoirs with diamond shaped ends and dressed tooled edges, similar to quoins; rockfaced string, angled end piers and large rockfaced coping blocks. Inside the tunnel portal the sides are of giant rockfaced stone blocks to impost level, tooled above, with coursed rubble vaults. Some brick further inside tunnel and then cut directly into rock.
Listed together with the W portal as a good example of C19 railway engineering and a surviving feature of the Brecon and Merthyr Railway.
External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.
Other nearby listed buildings
