- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 53°10'42"N 4°22'24"W
- Eastings/Northings: 241478, 367226
- OS Grid: SH414672
- Mapcode Local: GBR 5D.3L37
- Mapcode Global: WH435.SCKM
Location and coordinates are for the approximate centre of Llyn Parc Mawr within this administrative area.
Geographic features and populated places may cross administrative borders.