Ancient Monuments

History on the Ground

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Tythegston Long Barrow

A Scheduled Monument in Merthyr Mawr, Bridgend (Pen-y-bont ar Ogwr)

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Latitude: 51.5008 / 51°30'2"N

Longitude: -3.6371 / 3°38'13"W

OS Eastings: 286461

OS Northings: 179252

OS Grid: SS864792

Mapcode National: GBR H9.JRVW

Mapcode Global: VH5HH.XJ2V

Entry Name: Tythegston Long Barrow

Scheduled Date: 8 January 1959

Source: Cadw

Source ID: 2862

Cadw Legacy ID: GM022

Schedule Class: Religious, Ritual and Funerary

Category: Long barrow

Period: Prehistoric

County: Bridgend (Pen-y-bont ar Ogwr)

Community: Merthyr Mawr

Traditional County: Glamorgan


The monument consists of the remains of a long barrow. A long barrow is a rectangular or trapezoidal earthen mound of Neolithic date (c. 4400-2900 BC), usually accompanied by flanking or encircling ditches, and normally associated with human remains. The barrow survives as an oval, disturbed stony mound measuring about 30m east-north-east to west-south-west by up to 17m transversely. The broadest end is on the east where it is measures up to 1.8m in height. A massive capstone measuring 4.5m long by 1.8m wide and 0.4m high with an infilled chamber beneath is visible on the summit.

The monument is of national importance for its potential to enhance our knowledge of prehistoric burial and ritual. The monument is an important relic of a prehistoric funerary and ritual landscape and retains significant archaeological potential, with a strong probability of the presence of both intact burial or ritual deposits and environmental and structural evidence, including a buried prehistoric land surface.

The scheduled area comprises the remains described and an area around them within which related evidence may be expected to survive.

Source: Cadw

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