Ancient Monuments

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The Senacus Stone (formerly in Tudweiliog, Dwyfer)

A Scheduled Monument in Aberdaron, Gwynedd

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Coordinates

Latitude: 52.8039 / 52°48'14"N

Longitude: -4.7113 / 4°42'40"W

OS Eastings: 217329

OS Northings: 326374

OS Grid: SH173263

Mapcode National: GBR GPR8.STP

Mapcode Global: WH33M.LSQB

Entry Name: The Senacus Stone (formerly in Tudweiliog, Dwyfer)

Scheduled Date:

Source: Cadw

Source ID: 2424

Cadw Legacy ID: CN089

Schedule Class: Religious, Ritual and Funerary

Category: Inscribed stone

Period: Early Medieval

County: Gwynedd

Community: Aberdaron

Traditional County: Caernarfonshire

Description

A water-worn boulder 0.89 m high, 0.38 m wide at the base and about 120 mm thick. A Latin inscription in six horizontal lines reads SENACVS/PRSB/HIC IACIT/CVM MULTITV/DNEM/FRATRVM. Lower down the stone is another line inscribed PRES?BI, assumed to mean 'presbiter'. This last line is thought to be a later addition. The inscription is well preserved and, with the exception of the last line, is clearly visible. It now stands outside the garden shed in the courtyard of Cefnamwlch house.

The monument is of national importance for its potential to enhance our knowledge of early medieval inscribed stones. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. The structures themselves may be expected to contain archaeological information concerning chronology and building techniques.

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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