- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 53°5'6"N 3°32'4"W
- Eastings/Northings: 297323, 355309
- OS Grid: SH973553
- Mapcode Local: GBR 6G.9RXZ
- Mapcode Global: WH667.PQ48
Location and coordinates are for the approximate centre of Llyn Brenig within this administrative area.
Geographic features and populated places may cross administrative borders.