- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 51°24'6"N 3°18'4"W
- Eastings/Northings: 309586, 167774
- OS Grid: ST095677
- Mapcode Local: GBR HS.QSFS
- Mapcode Global: VH6FQ.Q1P6
Location and coordinates are for the approximate centre of Cwm Cidi within this administrative area.
Geographic features and populated places may cross administrative borders.