- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°58'52"N 3°59'23"W
- Eastings/Northings: 266500, 344500
- OS Grid: SH665445
- Mapcode Local: GBR 5W.J97T
- Mapcode Global: WH55G.PB8D
Location and coordinates are for the approximate centre of Llyn Stwlan within this administrative area.
Geographic features and populated places may cross administrative borders.