Ancient Monuments

History on the Ground

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Cefn Bychan Mound (Pillow Mound)

A Scheduled Monument in St. Harmon (Saint Harmon), Powys

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Latitude: 52.3178 / 52°19'4"N

Longitude: -3.5262 / 3°31'34"W

OS Eastings: 296066

OS Northings: 269953

OS Grid: SN960699

Mapcode National: GBR 9H.W4GT

Mapcode Global: VH5CP.T0QH

Entry Name: Cefn Bychan Mound (Pillow Mound)

Scheduled Date:

Source: Cadw

Source ID: 1955

Cadw Legacy ID: RD116

Schedule Class: Agriculture and Subsistence

Category: Pillow mound

Period: Medieval

County: Powys

Community: St. Harmon (Saint Harmon)

Traditional County: Radnorshire


The monument consists of the remains of a pillow mound, a pillow-shaped, flat topped rectangular mound often surrounded by a shallow ditch used to farm rabbits. This example lies in a slight hollow on a gentle south-west facing slope, and measures c.31m north-east to south-west by 2.5m wide and 1.6m high. It is surrounded by a shallow ditch c.2m wide.

The monument is of national importance for its potential to enhance our knowledge of agricultural techniques. 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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