Latitude: 53.071 / 53°4'15"N
Longitude: -4.2994 / 4°17'57"W
OS Eastings: 246044
OS Northings: 355112
OS Grid: SH460551
Mapcode National: GBR 5H.BD33
Mapcode Global: WH43S.X2VJ
Plus Code: 9C5Q3PC2+C6
Map layers use either open data or maps from the Ordnance Survey and Maptiler APIs.
Historic map layers are currently experimental and may not necessarily be available all the time.
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NLS (Historic)
Entry Name: Gatehouse at Fort Williamsburg
Listing Date: 29 May 1968
Last Amended: 30 September 1999
Grade: II*
Source: Cadw
Source ID: 20468
Building Class: Defence
ID on this website: 300020468
Location: Built into the bank on the north side of the fort accessed from the main north entrance via a footbridge across the ditch; faces into the former parade ground. Fort Williamsburg is approximately 0.5k
County: Gwynedd
Community: Llandwrog
Community: Llandwrog
Locality: Glynllifon
Traditional County: Caernarfonshire