Ancient Monuments

History on the Ground

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Tomen Llanio

A Scheduled Monument in Llanddewi Brefi (Llanddewibrefi), Ceredigion

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Latitude: 52.2031 / 52°12'10"N

Longitude: -3.9612 / 3°57'40"W

OS Eastings: 266072

OS Northings: 257904

OS Grid: SN660579

Mapcode National: GBR DX.3B31

Mapcode Global: VH4GD.9W7J

Entry Name: Tomen Llanio

Scheduled Date: 1 April 1931

Source: Cadw

Source ID: 1835

Cadw Legacy ID: CD022

Schedule Class: Defence

Category: Motte

Period: Medieval

County: Ceredigion

Community: Llanddewi Brefi (Llanddewibrefi)

Traditional County: Cardiganshire


The monument comprises the remains of a motte and ditch, dating to the medieval period (c. 1066 -1540 AD). A motte is a large conical or pyramidal mound of soil and/or stone, usually surrounded by either a wet or dry ditch, and surmounted by a tower constructed of timber or stone. This monument consists of a mound, c.15m in diameter, c.7m high and flat on top. It is surrounded by a ditch c.1m deep. No bailey visible; the monument probably never had one.

The monument is of national importance for its potential to enhance our knowledge of medieval defensive practices. The monument is well-preserved and an important relic of the medieval landscape. It retains significant archaeological potential, with a strong probability of the presence of both structural evidence and intact associated deposits.

The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.

Source: Cadw

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