Gwynedd Archaeological Trust
Regional Historic Environment Record

Castell Gronw (Motte), Near Bala

Primary Reference Number (PRN) : 3203
Trust : Gwynedd
Community : Llangywer
Unitary authority : Gwynedd
NGR : SH93003503
Site Type (preferred type first) : Medieval MOTTE
Status : Scheduled Monument

Description :
Castell Gronw was doubtless built to control the crossing of the Dee where it leaves Bala Lake, and may derive its name from the marcher family of Whittington, otherwise Goronwy, who claimed descent from Grono Beur. The motte is about 36yds in circumference with a flat top, and stands 15ft high above ground level and 6ft above the bailey which extends 27ft to the SW, protected on two sides by a small stream. <1>

Castell Gronw, a motte with a base diameter of 23m and a height of 4.5m, and a summit diameter of 10m. To the SW, remains of a bailey extend 26m from the base of the motte. It is bounded on the NW by a low scarp, 1m in height, and on the SW and SE by a stream in a natural cutting, 2m in depth. The motte is within a private garden and is under turf and small bushes. The bailey is heavily overgrown with trees and undergrowth and is partly concealed by a fir plantation. <2>

Sources :
Gwyn, D. , 2000 , Cultural Atlas of Wales: Interim Report ( © GAT)
Royal Commission on Ancient and Historic Monuments , 1921 , Inventory of Ancient Monuments of Merioneth , <1>
Ordnance Survey , 1977 , SH93NW 3 , <2>
Cathcart King, D. J. , 1983 , Castellarium Anglicanum , <5>
Gwyn, D. , 2000 , Cultural Atlas of Wales Interim Report , <6>

Events :
42729 : Me 067 Fmw Site Visit (year : 1989)
42730 : Me 067 Fmw Site Visit (year : 1994)
43809 : Cultural Atlas of Wales Interim Report (year : 2000)

Related PRNs : 303420

Compiled date :

Images :

The above data are supplied by GAT in partnership with its Local Authorities (Anglesey, Conwy and Gwynedd County Councils, and Snowdonia National Park Authority), © GAT 2019 (and in part © Crown, 2019 - as indicated)
This information is supplied for the purposes of personal interest only and may not be used as part of a commercial project.

March 23, 2019, 8:34 pm - HTML file produced from Gwynedd Archaeological Trust Regional HER
Gwynedd Archaeological Trust, Craig Beuno, Garth Road, Bangor, Gwynedd.  LL57 2RT
tel (01248) 352535,  fax (01248) 370925, email, web