Ancient Monuments

History on the Ground

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Hwylfa'r Ceirw Stone Alignment

A Scheduled Monument in Llandudno, Conwy

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Latitude: 53.3393 / 53°20'21"N

Longitude: -3.8554 / 3°51'19"W

OS Eastings: 276559

OS Northings: 384092

OS Grid: SH765840

Mapcode National: GBR 1YJT.3P

Mapcode Global: WH53S.RB8C

Entry Name: Hwylfa'r Ceirw Stone Alignment

Scheduled Date:

Source: Cadw

Source ID: 3401

Cadw Legacy ID: CN132

Schedule Class: Religious, Ritual and Funerary

Category: Stone alignment

Period: Prehistoric

County: Conwy

Community: Llandudno

Traditional County: Caernarfonshire


The scheduled site consists of two roughly parallel rows of stone 3m apart and 90m long. The rows are made up of small stone, generally under 1m high.

The monument is of national importance for its potential to enhance our knowledge of prehistory ritual. 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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