- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°7'43"N 3°52'11"W
- Eastings/Northings: 272104, 249478
- OS Grid: SN721494
- Mapcode Local: GBR Y1.82R6
- Mapcode Global: VH4GT.WR1F
Location and coordinates are for the approximate centre of Carn Nant-yr-Ast within this administrative area.
Geographic features and populated places may cross administrative borders.