- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 53°12'37"N 3°25'15"W
- Eastings/Northings: 305194, 369095
- OS Grid: SJ051690
- Mapcode Local: GBR 6M.1PH6
- Mapcode Global: WH76V.FK4P
Location and coordinates are for the approximate centre of Nant y Crabbas within this administrative area.
Geographic features and populated places may cross administrative borders.