Ancient Monuments

History on the Ground

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Caer Gai Roman Site

A Scheduled Monument in Llanuwchllyn, Gwynedd


Latitude: 52.8689 / 52°52'7"N

Longitude: -3.6684 / 3°40'6"W

OS Eastings: 287793

OS Northings: 331460

OS Grid: SH877314

Mapcode National: GBR 69.R9DQ

Mapcode Global: WH67B.M4CZ

« Listing Details

Entry Name: Caer Gai Roman Site

Scheduled Date:

Source: Cadw

Source ID: 284

Cadw Legacy ID: ME018

Schedule Class: Defence

Category: Fort

Period: Roman

County: Gwynedd

Community: Llanuwchllyn

Traditional County: Merionethshire is an independent online resource and is not associated with any government department. All government data published here is used under licence. Please do not contact for any queries related to any individual ancient or schedued monument, planning permission related to scheduled monuments or the scheduling process itself. is a Good Stuff website.