Ancient Monuments

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Aber Castle Mound (Pen-y-Mwd)

A Scheduled Monument in Aber, Gwynedd

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Coordinates

Latitude: 53.2338 / 53°14'1"N

Longitude: -4.014 / 4°0'50"W

OS Eastings: 265668

OS Northings: 372640

OS Grid: SH656726

Mapcode National: GBR 5V.09DJ

Mapcode Global: WH543.9ZS9

Entry Name: Aber Castle Mound (Pen-y-Mwd)

Scheduled Date:

Source: Cadw

Source ID: 3316

Cadw Legacy ID: CN007

Schedule Class: Defence

Category: Motte

Period: Medieval

County: Gwynedd

Community: Aber

Traditional County: Caernarfonshire

Description

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. It is situated on the SW bank of the Afon Aber, where the narrow valley joins the coastal plain. The mound is roughly circular, c. 6.7 m high, 36.5 m in diameter at its base and 16 m diameter at the top. There may be traces of a ditch on the S side.

Following excavation there is evidence of a possible Llys site in the adjoining field.

The monument is of national importance for its potential to enhance our knowledge of medieval settlement and defence. The monument is well-preserved and an important relic of the medieval landscape. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits.

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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