Ancient Monuments

History on the Ground

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Byrllysg promontory fort

A Scheduled Monument in Dyffryn Ardudwy, Gwynedd

« Monument Details

Monument location is shown with schedule boundary polygons where available, otherwise marked as a point on the map which approximates to the centre of the monument.

Coordinates

Latitude: 52.7962 / 52°47'46"N

Longitude: -4.0839 / 4°5'2"W

OS Eastings: 259591

OS Northings: 324101

OS Grid: SH595241

Mapcode National: GBR 5R.WY5W

Mapcode Global: WH566.7ZJ8

Entry Name: Byrllysg promontory fort

Scheduled Date:

Source: Cadw

Source ID: 277

Cadw Legacy ID: ME064

Schedule Class: Defence

Category: Promontory Fort - inland

Period: Prehistoric

County: Gwynedd

Community: Dyffryn Ardudwy

Traditional County: Merionethshire

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