Ancient Monuments

History on the Ground

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Site of Tegernacus Stone

A Scheduled Monument in New Tredegar (Tredegar Newydd), Caerphilly (Caerffili)

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Latitude: 51.7157 / 51°42'56"N

Longitude: -3.2498 / 3°14'59"W

OS Eastings: 313750

OS Northings: 202623

OS Grid: SO137026

Mapcode National: GBR HV.3189

Mapcode Global: VH6D6.M49L

Entry Name: Site of Tegernacus Stone

Scheduled Date: 21 February 1973

Source: Cadw

Source ID: 619

Cadw Legacy ID: GM339

Schedule Class: Religious, Ritual and Funerary

Category: Inscribed stone

Period: Early Medieval

County: Caerphilly (Caerffili)

Community: New Tredegar (Tredegar Newydd)

Traditional County: Glamorgan


The monument comprises the site of a 7th century inscribed memorial stone which was removed to the National Museum of Wales in c. 1920. Its site is marked by a concrete pillar. The inscription on the stone reads TEGERNA/CUS FILI/(U)S MARM/MIC IACIT. The pillar stands in a field a few metres west of the ridgeway along the crest of Cefn y Brithdir. Its siting suggests that the stone was meant to be seen from this ridgeway.

The monument is of national importance for its potential to enhance our knowledge of early Christian burial and ritual practices. The features are an important relic of a post-Roman funerary and ritual landscape and retain significant archaeological potential. There is a strong probability of the presence of both intact ritual and burial deposits, together with environmental and structural evidence. Stone settings are often part of a larger cluster of monuments and their importance can further enhanced by their group value.

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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