Cwm Berllan, Powys

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

• Category: Geographic Feature
• Type: Valley

• Latitude/Longitude: 52°36'14"N 3°44'16"W
• Eastings/Northings: 282398, 302097
• OS Grid: SH823020
• Mapcode Local: GBR 97.90B2
• Mapcode Global: WH68G.KT74

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