- Category: Geographic Feature
- Type: Cirque or Hollow
- Latitude/Longitude: 53°6'44"N 4°1'46"W
- Eastings/Northings: 264254, 359184
- OS Grid: SH642591
- Mapcode Local: GBR 5T.7ZLY
- Mapcode Global: WH54W.21G6
Location and coordinates are for the approximate centre of Cwm Idwal within this administrative area.
Geographic features and populated places may cross administrative borders.