- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 53°7'6"N 3°34'27"W
- Eastings/Northings: 294736, 359096
- OS Grid: SH947590
- Mapcode Local: GBR 6F.7G7G
- Mapcode Global: WH661.2W62
Location and coordinates are for the approximate centre of Bryn Trillyn within this administrative area.
Geographic features and populated places may cross administrative borders.