- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°59'8"N 3°8'10"W
- Eastings/Northings: 322074, 232531
- OS Grid: SO220325
- Mapcode Local: GBR F0.K4Q8
- Mapcode Global: VH6BX.LCD1
Location and coordinates are for the approximate centre of Twyn Talycefn within this administrative area.
Geographic features and populated places may cross administrative borders.