Porth Twyn-mawr is a water feature in 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.