- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 53°11'57"N 3°58'34"W
- Eastings/Northings: 268089, 368722
- OS Grid: SH680687
- Mapcode Local: GBR 5X.2DKY
- Mapcode Global: WH549.WVR9
Location and coordinates are for the approximate centre of Cwm yr Afon Goch within this administrative area.
Geographic features and populated places may cross administrative borders.