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Cof Cymru: National Historic Assets of Wales · Wales

Rootclamp at Dolgau

Dyffryn Ardudwy, Gwynedd, Wales

The record

Designation
Listed building, Grade II
Broad class
Agriculture and Subsistence
Date of designation
13 April 2005
Locality
Llanenddwyn
Community
Dyffryn Ardudwy
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.80118, -4.10165
Cadw reference
84362

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1795 "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).

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This record in Cadw's own full report ↗

Cadw's description

Set back, along a private driveway, from the W side of the A496 c.1km N of Coed Ystumgwern. The rootclamp lies to ESE of the house.

Probably C18 rootclamp.

Built into rising ground to the E of the house at Dolgau and now flanked by rubble walling enclosing the garden; built of mortared rubble and boulders, with walls raking inwards to form a domed roof. Entry to the rootclamp faces the garden to the W, a single narrow doorway with large stone lintel; there is another long slab of stone above the doorway that may denote the position of an earlier roofline. To the rear of the entrance elevation the domed roof is grassed over and tapers back to an exposed rear wall with flat stone slab coping.

The interior was not inspected at the time of the survey.

Included as a well preserved rootclamp that forms a group with the adjacent farmhouse and brewhouse at Dolgau.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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