Ancient Monuments

History on the Ground

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Caer Pwll-Glas

A Scheduled Monument in Tirymynach, Ceredigion

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Latitude: 52.4608 / 52°27'38"N

Longitude: -4.0125 / 4°0'45"W

OS Eastings: 263360

OS Northings: 286661

OS Grid: SN633866

Mapcode National: GBR 8V.L4P8

Mapcode Global: VH4F6.DDLY

Entry Name: Caer Pwll-Glas

Scheduled Date: 18 September 1949

Source: Cadw

Source ID: 756

Cadw Legacy ID: CD099

Schedule Class: Defence

Category: Hillfort

Period: Prehistoric

County: Ceredigion

Community: Tirymynach

Traditional County: Cardiganshire


The monument comprises the remains of a hillfort, which probably dates to the Iron Age period (c. 800 BC - AD 74, the Roman conquest of Wales). Hillforts are usually located on hilltops and surrounded by a single or multiple earthworks of massive proportions. Hillforts must have formed symbols of power within the landscape, while their function may have had as much to do with ostentation and display as defence. Caer Pwll Glas stands on the summit of a hill, and consists of an oval interior defended on the south-east and east by steep natural slopes, and on the other sides by double banks with a ditch, which is rock-cut in places, between them. The inner bank is c.2m above the interior, and c.3m to 4m high externally; the outer bank is c.2m high internally, petering to c.1m high at the south-west, where there is a simple entrance.

The monument is of national importance for its potential to enhance our knowledge of later prehistoric defensive organisation and settlement. The site forms an important element within the wider later prehistoric context and within the surrounding landscape. The site is well preserved and retains considerable archaeological potential. There is a strong probability of the presence of evidence relating to chronology, building techniques and functional detail.

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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