Cwm yr Eithin, Powys

• Parish/Community: Llangynog
• Unitary Authority: Powys
• Region: Wales

• Category: Geographic Feature
• Type: Valley

• Latitude/Longitude: 52°51'45"N 3°24'39"W
• Eastings/Northings: 305098, 330396
• OS Grid: SJ050303
• Mapcode Local: GBR 6M.RRX3
• Mapcode Global: WH78L.K9WQ

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