Mynydd Sylen, Carmarthenshire

• Parish/Community: Llannon
• Unitary Authority: Carmarthenshire
• Region: Wales

• Category: Geographic Feature
• Type: Hill or Mountain

• Latitude/Longitude: 51°45'19"N 4°9'10"W
• Eastings/Northings: 251500, 208500
• OS Grid: SN515085
• Mapcode Local: GBR GS.PQMR
• Mapcode Global: VH3M4.Y4XL

Location and coordinates are for the approximate centre of Mynydd Sylen within this administrative area. Geographic features and populated places may cross administrative borders.