Ancient Monuments

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Henblas Burial Chamber

A Scheduled Monument in Llangristiolus, Isle of Anglesey (Ynys Môn)

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Coordinates

Latitude: 53.2214 / 53°13'17"N

Longitude: -4.3593 / 4°21'33"W

OS Eastings: 242580

OS Northings: 371970

OS Grid: SH425719

Mapcode National: GBR 5D.13HN

Mapcode Global: WH430.09D7

Entry Name: Henblas Burial Chamber

Scheduled Date:

Source: Cadw

Source ID: 2503

Cadw Legacy ID: AN003

Schedule Class: Religious, Ritual and Funerary

Category: Chambered tomb

Period: Prehistoric

County: Isle of Anglesey (Ynys Môn)

Community: Llangristiolus

Description

The monument comprises the remains of a chambered tomb, dating to the Neolithic period. Chambered tombs were built and used by local farming communities over long periods of time. There appear to be many regional traditions and variations in shape and construction.

The burial chamber is formed by a group of three very large blocks of stone that are situated on a level shelf, to the east of which the ground slopes sharply down to the Cefni. Two of the stones are conical in shape and rest on their bases, being 4.1m and 3m in height with circumferences of 15.25m and 16.75m respectively. A third stone which leans against the first two and measures 5.5m in height and 4.7m wide. It is almost certain that the position of the two upright stones is natural, but glacial striae on the underside of the third block indicate human intervention in its positioning.

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. Chambered tombs may be 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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