Ancient Monuments

History on the Ground

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Tomen yr Allt Castle Mound

A Scheduled Monument in Llanfyllin, Powys

« 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: 52.7806 / 52°46'50"N

Longitude: -3.2962 / 3°17'46"W

OS Eastings: 312670

OS Northings: 321118

OS Grid: SJ126211

Mapcode National: GBR 6S.XXGT

Mapcode Global: WH791.BCNP

Entry Name: Tomen yr Allt Castle Mound

Scheduled Date:

Source: Cadw

Source ID: 3534

Cadw Legacy ID: MG027

Schedule Class: Defence

Category: Motte

Period: Medieval

County: Powys

Community: Llanfyllin

Traditional County: Montgomeryshire 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.