- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 52°40'44"N 3°54'23"W
- Eastings/Northings: 271200, 310732
- OS Grid: SH712107
- Mapcode Local: GBR 90.46SR
- Mapcode Global: WH56V.YXWN
Location and coordinates are for the approximate centre of Cwm Amarch within this administrative area.
Geographic features and populated places may cross administrative borders.