Ancient Monuments

History on the Ground

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Mynydd Myddfai Standing Stones

A Scheduled Monument in Llanddeusant, Carmarthenshire (Sir Gaerfyrddin)

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Latitude: 51.9411 / 51°56'28"N

Longitude: -3.7371 / 3°44'13"W

OS Eastings: 280688

OS Northings: 228384

OS Grid: SN806283

Mapcode National: GBR Y6.MZLN

Mapcode Global: VH5FB.5GPS

Entry Name: Mynydd Myddfai Standing Stones

Scheduled Date:

Source: Cadw

Source ID: 2753

Cadw Legacy ID: CM041

Schedule Class: Religious, Ritual and Funerary

Category: Standing stone

Period: Prehistoric

County: Carmarthenshire (Sir Gaerfyrddin)

Community: Llanddeusant

Traditional County: Carmarthenshire


The monument comprises the remains of a pair of standing stones. The south west stone measures 1.6m high, 2.5m wide and 0.7m deep. It is earthfast and has an irregular profile rising to a pointed top. The north east stone measures 2.2m high, 1.1m wide and 0.1m deep, it is earthfast, a flat slab aligned in the same direction as the other.

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