- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 53°23'51"N 4°20'40"W
- Eastings/Northings: 244216, 391535
- OS Grid: SH442915
- Mapcode Local: GBR HMNQ.DP4
- Mapcode Global: WH421.7VGP
Location and coordinates are for the approximate centre of Llyn Llaethdy within this administrative area.
Geographic features and populated places may cross administrative borders.