Latitude: 52.2629 / 52°15'46"N
Longitude: -3.598 / 3°35'52"W
OS Eastings: 291039
OS Northings: 263955
OS Grid: SN910639
Mapcode National: GBR 9D.ZJT4
Mapcode Global: VH5CV.LD82
Plus Code: 9C4R7C72+5R
Map layers use either open data or maps from the Ordnance Survey and Maptiler APIs.
Historic map layers are currently experimental and may not necessarily be available all the time.
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NLS (Historic)
Entry Name: Carreg Ddu Viaduct and Submerged Dam
Listing Date: 31 July 1995
Last Amended: 6 April 2011
Grade: II*
Source: Cadw
Source ID: 16200
Building Class: Transport
ID on this website: 300016200
Location: About 7km SW of Rhayader centre. Carries road from Elan valley to Claerwen valley
County: Powys
Community: Rhayader (Rhaeadr Gwy)
Community: Rhayader
Locality: Elan Valley
Traditional County: Radnorshire