Cwm yr Olchfa, Carmarthenshire

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

• Category: Geographic Feature
• Type: Valley

• Latitude/Longitude: 51°57'33"N 3°44'3"W
• Eastings/Northings: 280925, 230384
• OS Grid: SN809303
• Mapcode Local: GBR Y7.LLBS
• Mapcode Global: VH5FB.704X

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