- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 53°2'20"N 4°2'41"W
- Eastings/Northings: 263003, 351036
- OS Grid: SH630510
- Mapcode Local: GBR 5T.DFYK
- Mapcode Global: WH551.VW33
Location and coordinates are for the approximate centre of Nantgwynant within this administrative area.
Geographic features and populated places may cross administrative borders.