Ancient Monuments

History on the Ground

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Mynydd Llansadwrn ring cairn

A Scheduled Monument in Llansadwrn, Carmarthenshire (Sir Gaerfyrddin)

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Latitude: 51.9944 / 51°59'39"N

Longitude: -3.9124 / 3°54'44"W

OS Eastings: 268792

OS Northings: 234608

OS Grid: SN687346

Mapcode National: GBR DZ.JJ67

Mapcode Global: VH4HL.44HF

Entry Name: Mynydd Llansadwrn ring cairn

Scheduled Date: 3 August 2006

Source: Cadw

Source ID: 4197

Cadw Legacy ID: CM362

Schedule Class: Religious, Ritual and Funerary

Category: Ring cairn

Period: Prehistoric

County: Carmarthenshire (Sir Gaerfyrddin)

Community: Llansadwrn

Traditional County: Carmarthenshire


The monument comprises the remains of a ring cairn, probably dating to the Bronze Age (c.2300 BC - 800 BC) and situated in enclosed pasture on the SW end of a prominent ridge. The well-preserved ring cairn is circular on plan and measures about 6.5m in diameter within a well defined stony ring bank about 3m in thickness and up to 0.6m in height; it commands wide views around the S arc and is tilted slightly towards the SW. The ring cairn has an irregular interior surface and stretches of what may be an inner kerb are visible on the SE.

The monument is of national importance for its potential to enhance our knowledge of prehistoric burial and ritual practices. The monument is well preserved and is an important relic of a prehistoric funerary and ritual landscape. It retains significant archaeological potential, with a strong probability of the presence of both ritual deposits and environmental and structural evidence.

The area scheduled comprises the remains described and an area around them within which related evidence may be expected to survive. It is circular and measures 22m in diameter.

Source: Cadw

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