Porth Trwyn, Isle of Anglesey

• Parish/Community: Llanfaethlu
• Unitary Authority: Isle of Anglesey
• Region: Wales

• Category: Water Feature
• Type: Bay

• Latitude/Longitude: 53°21'33"N 4°33'48"W
• Eastings/Northings: 229502, 387784
• OS Grid: SH295877
• Mapcode Local: GBR HM3T.GCY
• Mapcode Global: WH423.WT2H

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