Latitude: 51.7368 / 51°44'12"N
Longitude: -3.8239 / 3°49'26"W
OS Eastings: 274150
OS Northings: 205805
OS Grid: SN741058
Mapcode National: GBR H2.1T01
Mapcode Global: VH4JS.NLSY
Plus Code: 9C3RP5PG+PC
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: Cwm Du Outfall and overflow sluice on Swansea Canal
Listing Date: 26 October 1979
Last Amended: 20 December 2002
Grade: II
Source: Cadw
Source ID: 11202
Building Class: Transport
ID on this website: 300011202
Location: Situated on the SE side of the Swansea Canal approximately 50m SE of the Cwm Du bridge carrying the A4067 over the canal.
County: Neath Port Talbot
Community: Ystalyfera
Community: Ystalyfera
Locality: Ynysmeudwy
Built-Up Area: Pontardawe
Traditional County: Glamorgan