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Latitude: 52.902 / 52°54'7"N
Longitude: -3.5921 / 3°35'31"W
OS Eastings: 293011
OS Northings: 335030
OS Grid: SH930350
Mapcode National: GBR 6D.P9XN
Mapcode Global: WH675.SBP2
Entry Name: Castell Gronw Castle Mound
Source ID: 2469
Cadw Legacy ID: ME067
Schedule Class: Defence
Traditional County: Merionethshire
A motte situated in the garden of Pen y Bont cottage. It is 23m in diameter at thr base, between 4 and 4.5m high, and 10m diameter across the top.
the north and east sides of the mound are terminated by retaining walls over 1m high, which mark the boundaey of the cottage on the east and the pavement on the north. The north side of the motte has been planted with flowering shrubs and other garden plants; the remaining side are mainly grass covered, although the remains of a flower bed are visible on the south side. A concrete pad 2.5m by 2m has been laid on the top of the mound. The septic tanks which serve the cottage lie 8m to the south of the base of the motte. A wooded area west of the motte is thought to be the site of the bailey. This area is bounded by a stream lying in a gully 2m deep on the west and south sides. The remains of a slight scarp or ditch are visible running in a south westerly direction from the motte, but it turns south before reaching the gully.
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 structures themselves 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.
Other nearby scheduled monuments