- Category: Geographic Feature
- Type: Cirque or Hollow
- Latitude/Longitude: 53°3'38"N 4°4'35"W
- Eastings/Northings: 260946, 353494
- OS Grid: SH609534
- Mapcode Local: GBR 5S.C66N
- Mapcode Global: WH551.CB2J
Location and coordinates are for the approximate centre of Cwm Tregalan within this administrative area.
Geographic features and populated places may cross administrative borders.