Ancient Monuments

History on the Ground

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Craig yr Aderyn Hillfort

A Scheduled Monument in Llanfihangel-y-Pennant, 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.


Latitude: 52.6422 / 52°38'32"N

Longitude: -4.0043 / 4°0'15"W

OS Eastings: 264483

OS Northings: 306828

OS Grid: SH644068

Mapcode National: GBR 8W.6LQ4

Mapcode Global: WH570.GVF8

Entry Name: Craig yr Aderyn Hillfort

Scheduled Date:

Source: Cadw

Source ID: 2472

Cadw Legacy ID: ME075

Schedule Class: Defence

Category: Hillfort

Period: Prehistoric

County: Gwynedd

Community: Llanfihangel-y-Pennant

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.