Trwyn Ffynnon-y-Sais is an island in Isle of Anglesey
Parish/Community: Rhosyr
Unitary Authority: Isle of Anglesey
Region: Wales
Category: Water Feature
Type: Island
Latitude/Longitude: 53°8'28"N 4°24'42"W
Eastings/Northings: 238772, 363183
OS Grid: SH387631
Mapcode Local: GBR 5B.62RN
Mapcode Global: WH43C.69BN
Location and coordinates are for the approximate centre of Trwyn Ffynnon-y-Sais within this administrative area.
Geographic features and populated places may cross administrative borders.