- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°13'8"N 3°43'52"W
- Eastings/Northings: 284500, 370500
- OS Grid: SH845705
- Mapcode Local: GBR 67.163C
- Mapcode Global: WH65K.NCD3
Location and coordinates are for the approximate centre of Llyn Ty'n-y-llyn within this administrative area.
Geographic features and populated places may cross administrative borders.