Ancient Monuments

History on the Ground

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Standing Stone 200m ENE of Trehale House

A Scheduled Monument in Hayscastle (Cas-lai), Pembrokeshire (Sir Benfro)

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Latitude: 51.92 / 51°55'11"N

Longitude: -5.0765 / 5°4'35"W

OS Eastings: 188533

OS Northings: 229078

OS Grid: SM885290

Mapcode National: GBR CF.P9GC

Mapcode Global: VH1QY.Y0MG

Entry Name: Standing Stone 200m ENE of Trehale House

Scheduled Date: 15 November 2005

Source: Cadw

Source ID: 1150

Cadw Legacy ID: PE509

Schedule Class: Religious, Ritual and Funerary

Category: Standing stone

Period: Prehistoric

County: Pembrokeshire (Sir Benfro)

Community: Hayscastle (Cas-lai)

Traditional County: Pembrokeshire


This fine standing stone is located within an enclosed field on a south facing slope. The standing stone measures 1.6m tall, 1.1m wide and 0.75m deep. It is oriented ESE-WNW and tapers to a blunt and rounded point. The surface of the stone is weathered and displays brown and white quartz inclusions.

The standing stone is believed to be of religious or ceremonial significance and to date to the Bronze Age (c.2300 BC - 800 BC). This example possesses important group value as it is the SE component of an alignment of three standing stones. The monument is likely to retain archaeological deposits and enhance our knowledge of prehistoric ritual practices.

The area to be scheduled comprises the remains described and an area around them within which related evidence may be expected to survive. It is circular and measures 6m in diameter.

Source: Cadw

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