Gwalchmai is located in the county of Gwynedd, Wales, four miles west of the town of Llangefni, 59 miles west of the major town of Birkenhead, 134 miles north of Cardiff, 193 miles south of Edinburgh, and 218 miles north-west of London. Gwalchmai was historically in the county of Anglesey. Gwalchmai falls within the unitary authority of Sir Ynys Mon - Isle of Anglesey. It is in the LL65 postcode district. The post town for Gwalchmai is Holyhead.
Gwalchmai is in the ceremonial county of Gwynedd, the historic county of Anglesey, and the administrative county of Sir Ynys Mon - Isle of Anglesey.
Ceremonial County | Gwynedd |
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Historic County | Anglesey |
Administrative County | Sir Ynys Mon - Isle of Anglesey |
Gwalchmai is situated towards the northernmost extremity of Gwynedd, and towards the westernmost extremity of Gwynedd.
The nearest postcode to the centre of Gwalchmai is LL65 4PR.
Gwalchmai is situated towards the southernmost extremity of the LL65 postcode district, and towards the easternmost extremity of the LL65 postcode district.
The post town for Gwalchmai is Holyhead. Gwalchmai is in the LL65 postcode district, which corresponds to the post town of Holyhead.
The centre of Gwalchmai is located at position 53.25905° latitude and -4.4173° longitude.
Latitude | 53.25905° |
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Longitude | -4.4173° |
The centre of Gwalchmai is located at the grid reference easting 238853 and northing 376287 within the British National Grid (OSGB36) system.
Easting | 238853 |
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Northing | 376287 |
Position of Gwalchmai relative to nearby towns. Distance is measured from the centre of Gwalchmai to the centre of the town.
Position of Gwalchmai relative to nearby cities. Distance is measured from the centre of Gwalchmai to the centre of the city.