- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°13'46"N 3°47'48"W
- Eastings/Northings: 277375, 260577
- OS Grid: SN773605
- Mapcode Local: GBR Y4.1NTP
- Mapcode Global: VH5CY.47L1
Location and coordinates are for the approximate centre of Mynydd Tywi within this administrative area.
Geographic features and populated places may cross administrative borders.