Cwm Dyryn, Powys

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

• Category: Geographic Feature
• Type: Valley

• Latitude/Longitude: 52°1'13"N 3°33'4"W
• Eastings/Northings: 293649, 236916
• OS Grid: SN936369
• Mapcode Local: GBR YG.GXD6
• Mapcode Global: VH5F1.DHF0

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