- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°49'20"N 4°3'44"W
- Eastings/Northings: 257965, 215778
- OS Grid: SN579157
- Mapcode Local: GBR DS.W90Z
- Mapcode Global: VH4J8.JGS7
Location and coordinates are for the approximate centre of Banc y Llyn within this administrative area.
Geographic features and populated places may cross administrative borders.