Ancient Monuments

History on the Ground

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Caer-Dynni Burial Chamber

A Scheduled Monument in Criccieth (Cricieth), Gwynedd

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Latitude: 52.9207 / 52°55'14"N

Longitude: -4.2161 / 4°12'58"W

OS Eastings: 251105

OS Northings: 338215

OS Grid: SH511382

Mapcode National: GBR 5L.N290

Mapcode Global: WH55K.6VLB

Entry Name: Caer-Dynni Burial Chamber

Scheduled Date:

Source: Cadw

Source ID: 3165

Cadw Legacy ID: CN081

Schedule Class: Religious, Ritual and Funerary

Category: Chambered long cairn

Period: Prehistoric

County: Gwynedd

Community: Criccieth (Cricieth)

Built-Up Area: Criccieth

Traditional County: Caernarfonshire


The monument consists of the remains of a chambered long cairn, dating to early Neolithic (c. 4,200BC - 3,000BC). A long cairn is a roughly rectangular or trapezoidal mound of stone, usually between 25m and 120m long, with a length exceeding twice its greatest width. The mound may be edged with a timber or stone revetment, and they contain one or more stone or wooden burial chambers.

The site on the Morannedd Estates lies between the shore line and Porthmadog Road, the small rectangular chamber which measures 1.5m long and 0.6m wide is formed made by five upright stones, of which only two are complete and are characterised with cup-marks. The large capstone now rests on the only these southern uprights with its northern edge resting on the ground. The chamber is surrounded by a stony mound, which is accentuated by natural outcrops of rock with the remains of a kerb 2m further south.

The monument is of national importance for its potential to enhance our knowledge of prehistoric burial and ritual practices. The features are an important relic of a prehistoric funerary and ritual landscape and retain significant environmental and structural evidence. Chambered long cairns may be 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.

Source: Cadw

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