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Cof Cymru: National Historic Assets of Wales · Wales

Castle Bank Hillfort

Glascwm, Powys, Wales

The record

Designation
Scheduled monument
Site type
Hillfort
Period
Prehistoric
Date of designation
2 August 1993
Community
Glascwm
Unitary authority
Powys
Country
Wales
Coordinates (centre of the scheduled area)
52.19545, -3.33729
SAM number
RD149
Cadw record number
496

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1608 "(13) Cambriae Typus." (David Rumsey Map Collection, Stanford Libraries).

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This record in Cadw's own full report ↗

Cadw's description

The following provides a general description of the Scheduled Monument.

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. Castle Bank is fine and well-preserved Iron Age hillfort, commanding a ridge running north-north-east to south-south-west in hills to the east of the Wye Valley. The fort comprises a main northern enclosure, which is elongated and measures c.290m externally north-south, and narrows from c.84m wide in the north to c.46m wide in the south. The rampart is represented by a line of stony scree on all sides except the east, where the steep natural slope appears to have provided sufficient defence. This scree stands up to c.1m high, and probably represents a collapsed stone rampart. A possible earlier southern line is visible 80m to the north of the southern defence; the western rampart deviates slightly at this point. The main fort is augmented by a further long, narrow enclosure to the south measuring c.130m by c.42m, presumably a later annexe. Numerous house platforms can be identified from aerial photographs in the northern fort; these are clearly visible on the ground in the north-eastern part of the area.

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.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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