- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°34'41"N 3°42'39"W
- Eastings/Northings: 281541, 187979
- OS Grid: SS815879
- Mapcode Local: GBR H6.CZ58
- Mapcode Global: VH5H2.MLJJ
Location and coordinates are for the approximate centre of Cwm Maelwg within this administrative area.
Geographic features and populated places may cross administrative borders.