Ancient Monuments

History on the Ground

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Hendre-Isaf Castle Mound

A Scheduled Monument in Llangernyw, Conwy

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Latitude: 53.2045 / 53°12'16"N

Longitude: -3.6872 / 3°41'13"W

OS Eastings: 287408

OS Northings: 368821

OS Grid: SH874688

Mapcode National: GBR 68.24TX

Mapcode Global: WH65L.BQG7

Entry Name: Hendre-Isaf Castle Mound

Scheduled Date:

Source: Cadw

Source ID: 3554

Cadw Legacy ID: DE077

Schedule Class: Defence

Category: Motte

Period: Medieval

County: Conwy

Community: Llangernyw

Traditional County: Denbighshire


The monument, also known as Y Domen or Domen Pentre Isaf, comprises the remains of a motte and ditch, dating to the medieval period (c. 1066 -1540 AD). The stone and earthen built motte is located at the edge of a gravel terrace on the W bank of the River Elwy. The motte survives as a tall and irregular shaped mound, and measures c. 6.5m in height from its top to the bottom of the ditch. Buildings belonging to Hendre-Isaf farm have encroached onto the E side of the motte, giving the motte an oval shape on plan. The motte measures c. 50m N-S by 40m transversely. The motte is encircled by a dry moat, measuring c. 10m in width.

The monument is of national importance for its potential to enhance our knowledge of medieval defensive practices. 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 both structural evidence and intact associated deposits.

The area covered by the original designation included a large barn on the SE side. The scheduled area has been revised in order to exclude the barn. 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 an irregular polygon in shape and measures 90m N-S by 80m transversely.

Source: Cadw

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