Porth Twyn-mawr, Isle of Anglesey

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

• Category: Water Feature
• Type: Other Water Feature

• Latitude/Longitude: 53°9'41"N 4°26'49"W
• Eastings/Northings: 236500, 365500
• OS Grid: SH365655
• Mapcode Local: GBR 59.4S83
• Mapcode Global: WH434.NSLQ

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