- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 53°12'57"N 3°33'14"W
- Eastings/Northings: 296322, 369885
- OS Grid: SH963698
- Mapcode Local: GBR 6G.1F4G
- Mapcode Global: WH65N.CFSG
Location and coordinates are for the approximate centre of Llyn Bronllwm within this administrative area.
Geographic features and populated places may cross administrative borders.