Ancient Monuments

History on the Ground

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Bryn Derwydd stone circle

A Scheduled Monument in Penmaenmawr, Conwy

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Latitude: 53.2573 / 53°15'26"N

Longitude: -3.9018 / 3°54'6"W

OS Eastings: 273226

OS Northings: 375055

OS Grid: SH732750

Mapcode National: GBR 1Z6S.11

Mapcode Global: WH545.1D86

Entry Name: Bryn Derwydd stone circle

Scheduled Date: 22 December 2003

Source: Cadw

Source ID: 1076

Cadw Legacy ID: CN339

Schedule Class: Religious, Ritual and Funerary

Category: Stone circle

Period: Prehistoric

County: Conwy

Community: Penmaenmawr

Traditional County: Caernarfonshire


The monument comprises the remains of a stone circle, probably dating to the Bronze Age (c.2300 BC - 800 BC). It is situated in enclosed pasture and consists of at least five small earthfast stones, set on a slight circular platform. The circle measures about 18m overall.

The monument is of national importance for its potential to enhance our knowledge of prehistoric ritual practices. The monument retains significant archaeological potential with a strong probability of associated archaeological features and deposits and forms an important element in the wider prehistoric funerary and ritual landscape.

The scheduled area comprises the remains described and an area around them within which related evidence may be expected to survive. It is circular and measures 30m in diameter.

Source: Cadw

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