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Cof Cymru: National Historic Assets of Wales · Wales

Tomen y Bala Castle Mound

Bala, Gwynedd, Wales

The record

Designation
Scheduled monument
Site type
Motte
Period
Medieval
Community
Bala
Unitary authority
Gwynedd
Country
Wales
Coordinates (centre of the scheduled area)
52.91153, -3.59551
SAM number
ME016
Cadw record number
283

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 1795 "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).

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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 motte dating to the medieval period (c.1066-1540 AD). A motte is a large conical or pyramidal mound of soil and/or stone, usually surrounded by either a wet or dry ditch, and surmounted by a tower constructed of timber or stone. Here the evidence for a surrounding ditch and bailey, if the latter existed, have been lost beneath the town of Bala’s subsequent development of this area. The motte is 40m in diameter and 8m high, with a level summit approximately 16.5m across. The castle can be associated with a manor or llys, a princely court of Penllyn commote. Its conquest is recorded in 1202 and it may have remained active into the thirteenth century. Edward I was present at Bala in 1284. In about 1310 a borough was laid out south-west of the motte though by the early fifteenth century a garrison was present in the town with no mention of the castle.

The monument is of national importance for its potential to enhance our knowledge of medieval settlement and defence. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. The structure itself may be expected to contain archaeological information concerning chronology and building techniques.

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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