Ancient Monuments

History on the Ground

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Bryntwppa stone row

A Scheduled Monument in Glascwm (Glasgwm), Powys

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Latitude: 52.1781 / 52°10'41"N

Longitude: -3.3323 / 3°19'56"W

OS Eastings: 308999

OS Northings: 254158

OS Grid: SO089541

Mapcode National: GBR YR.4XS1

Mapcode Global: VH69V.6J72

Entry Name: Bryntwppa stone row

Scheduled Date: 10 November 2004

Source: Cadw

Source ID: 1085

Cadw Legacy ID: RD236

Schedule Class: Religious, Ritual and Funerary

Category: Stone Row

Period: Prehistoric

County: Powys

Community: Glascwm (Glasgwm)

Traditional County: Radnorshire


The monument comprises the remains of a stone row, probably dating to the Bronze Age (c.2300 BC - 800 BC) and situated at the edge of an enclosed field of improved pasture. The stones are aligned from ESE to WNW. The largest, that on the ESE, measures 0.9m in height, 1.1m in length and 0.7m in width. The central stone measures 1.05m in height, 0.7m in length and 0.5m in width. The smallest stone, that on the WNW, measures 0.65m in height, 0.7m in length and 0.5m in width.

The monument is of national importance for its potential to enhance our knowledge of prehistoric ritual practices. The monument retains significant archaeological potential with a strong probability of associated archaeological features and deposits and forms an important element in the wider prehistoric funerary and ritual landscape. It is a well-preserved and classic example of a rare monument type.

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 10m in diameter.

Source: Cadw

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