- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°5'22"N 4°8'11"W
- Eastings/Northings: 253726, 245613
- OS Grid: SN537456
- Mapcode Local: GBR DP.BGMC
- Mapcode Global: VH4GW.8R21
Location and coordinates are for the approximate centre of Llyn Pencarreg within this administrative area.
Geographic features and populated places may cross administrative borders.